Home / 86,323.86-129,485.07-23,994.18

Finding the Fourth Proportional to 86,323.86, 129,485.07 and 23,994.18

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Solution

The fourth proportional to 86,323.86, 129,485.07 and 23,994.18 is: 35,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,323.86 : 129,485.07 = 23,994.18 : x
  2. Step 2: Convert to fraction form
    86,323.86/129,485.07 = 23,994.18/x
  3. Step 3: Cross multiply
    86,323.86x = 129,485.07 × 23,994.18
  4. Step 4: Simplify right side
    86,323.86x = 3,106,888,076.89
  5. Step 5: Solve for x
    x = 3,106,888,076.89/86,323.86
  6. Step 6: Final answer
    x = 35,991.07

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.