Home / 89,810.26-123,945.54-49,531.90

Finding the Fourth Proportional to 89,810.26, 123,945.54 and 49,531.90

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Solution

The fourth proportional to 89,810.26, 123,945.54 and 49,531.90 is: 68,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,810.26 : 123,945.54 = 49,531.90 : x
  2. Step 2: Convert to fraction form
    89,810.26/123,945.54 = 49,531.90/x
  3. Step 3: Cross multiply
    89,810.26x = 123,945.54 × 49,531.90
  4. Step 4: Simplify right side
    89,810.26x = 6,139,258,092.73
  5. Step 5: Solve for x
    x = 6,139,258,092.73/89,810.26
  6. Step 6: Final answer
    x = 68,358.09

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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.