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Finding the Fourth Proportional to 62,129.88, 93,194.79 and 15,382.74

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Solution

The fourth proportional to 62,129.88, 93,194.79 and 15,382.74 is: 23,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,129.88 : 93,194.79 = 15,382.74 : x
  2. Step 2: Convert to fraction form
    62,129.88/93,194.79 = 15,382.74/x
  3. Step 3: Cross multiply
    62,129.88x = 93,194.79 × 15,382.74
  4. Step 4: Simplify right side
    62,129.88x = 1,433,591,223.92
  5. Step 5: Solve for x
    x = 1,433,591,223.92/62,129.88
  6. Step 6: Final answer
    x = 23,074.10

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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.