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Finding the Fourth Proportional to 62,169.92, 93,220.32 and 25,190.72

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Solution

The fourth proportional to 62,169.92, 93,220.32 and 25,190.72 is: 37,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,169.92 : 93,220.32 = 25,190.72 : x
  2. Step 2: Convert to fraction form
    62,169.92/93,220.32 = 25,190.72/x
  3. Step 3: Cross multiply
    62,169.92x = 93,220.32 × 25,190.72
  4. Step 4: Simplify right side
    62,169.92x = 2,348,286,979.43
  5. Step 5: Solve for x
    x = 2,348,286,979.43/62,169.92
  6. Step 6: Final answer
    x = 37,772.08

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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.