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Finding the Fourth Proportional to 84,810.59, 127,098.18 and 37,354.52

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Solution

The fourth proportional to 84,810.59, 127,098.18 and 37,354.52 is: 55,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,810.59 : 127,098.18 = 37,354.52 : x
  2. Step 2: Convert to fraction form
    84,810.59/127,098.18 = 37,354.52/x
  3. Step 3: Cross multiply
    84,810.59x = 127,098.18 × 37,354.52
  4. Step 4: Simplify right side
    84,810.59x = 4,747,690,871.28
  5. Step 5: Solve for x
    x = 4,747,690,871.28/84,810.59
  6. Step 6: Final answer
    x = 55,979.93

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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.