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Finding the Fourth Proportional to 84,912.59, 127,248.18 and 62,550.11

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Solution

The fourth proportional to 84,912.59, 127,248.18 and 62,550.11 is: 93,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,912.59 : 127,248.18 = 62,550.11 : x
  2. Step 2: Convert to fraction form
    84,912.59/127,248.18 = 62,550.11/x
  3. Step 3: Cross multiply
    84,912.59x = 127,248.18 × 62,550.11
  4. Step 4: Simplify right side
    84,912.59x = 7,959,387,020.06
  5. Step 5: Solve for x
    x = 7,959,387,020.06/84,912.59
  6. Step 6: Final answer
    x = 93,736.25

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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.