Home / 82,468.26-123,702.39-47,385.54

Finding the Fourth Proportional to 82,468.26, 123,702.39 and 47,385.54

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Solution

The fourth proportional to 82,468.26, 123,702.39 and 47,385.54 is: 71,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,468.26 : 123,702.39 = 47,385.54 : x
  2. Step 2: Convert to fraction form
    82,468.26/123,702.39 = 47,385.54/x
  3. Step 3: Cross multiply
    82,468.26x = 123,702.39 × 47,385.54
  4. Step 4: Simplify right side
    82,468.26x = 5,861,704,549.44
  5. Step 5: Solve for x
    x = 5,861,704,549.44/82,468.26
  6. Step 6: Final answer
    x = 71,078.31

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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.