Home / 86,274.54-129,411.77-23,945.02

Finding the Fourth Proportional to 86,274.54, 129,411.77 and 23,945.02

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Solution

The fourth proportional to 86,274.54, 129,411.77 and 23,945.02 is: 35,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,274.54 : 129,411.77 = 23,945.02 : x
  2. Step 2: Convert to fraction form
    86,274.54/129,411.77 = 23,945.02/x
  3. Step 3: Cross multiply
    86,274.54x = 129,411.77 × 23,945.02
  4. Step 4: Simplify right side
    86,274.54x = 3,098,767,420.89
  5. Step 5: Solve for x
    x = 3,098,767,420.89/86,274.54
  6. Step 6: Final answer
    x = 35,917.52

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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.