Home / 82,460.23-123,702.49-29,857.41

Finding the Fourth Proportional to 82,460.23, 123,702.49 and 29,857.41

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Solution

The fourth proportional to 82,460.23, 123,702.49 and 29,857.41 is: 44,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,460.23 : 123,702.49 = 29,857.41 : x
  2. Step 2: Convert to fraction form
    82,460.23/123,702.49 = 29,857.41/x
  3. Step 3: Cross multiply
    82,460.23x = 123,702.49 × 29,857.41
  4. Step 4: Simplify right side
    82,460.23x = 3,693,435,999.27
  5. Step 5: Solve for x
    x = 3,693,435,999.27/82,460.23
  6. Step 6: Final answer
    x = 44,790.51

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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.