Home / 92,987.73-128,323.52-50,546.25

Finding the Fourth Proportional to 92,987.73, 128,323.52 and 50,546.25

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Solution

The fourth proportional to 92,987.73, 128,323.52 and 50,546.25 is: 69,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,987.73 : 128,323.52 = 50,546.25 : x
  2. Step 2: Convert to fraction form
    92,987.73/128,323.52 = 50,546.25/x
  3. Step 3: Cross multiply
    92,987.73x = 128,323.52 × 50,546.25
  4. Step 4: Simplify right side
    92,987.73x = 6,486,272,470.07
  5. Step 5: Solve for x
    x = 6,486,272,470.07/92,987.73
  6. Step 6: Final answer
    x = 69,754.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.