Home / 84,468.17-126,702.24-38,871.26

Finding the Fourth Proportional to 84,468.17, 126,702.24 and 38,871.26

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Solution

The fourth proportional to 84,468.17, 126,702.24 and 38,871.26 is: 58,306.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,468.17 : 126,702.24 = 38,871.26 : x
  2. Step 2: Convert to fraction form
    84,468.17/126,702.24 = 38,871.26/x
  3. Step 3: Cross multiply
    84,468.17x = 126,702.24 × 38,871.26
  4. Step 4: Simplify right side
    84,468.17x = 4,925,076,176.15
  5. Step 5: Solve for x
    x = 4,925,076,176.15/84,468.17
  6. Step 6: Final answer
    x = 58,306.89

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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.