Home / 67,928.90-93,753.05-39,634.52

Finding the Fourth Proportional to 67,928.90, 93,753.05 and 39,634.52

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Solution

The fourth proportional to 67,928.90, 93,753.05 and 39,634.52 is: 54,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,928.90 : 93,753.05 = 39,634.52 : x
  2. Step 2: Convert to fraction form
    67,928.90/93,753.05 = 39,634.52/x
  3. Step 3: Cross multiply
    67,928.90x = 93,753.05 × 39,634.52
  4. Step 4: Simplify right side
    67,928.90x = 3,715,856,468.35
  5. Step 5: Solve for x
    x = 3,715,856,468.35/67,928.90
  6. Step 6: Final answer
    x = 54,702.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.