Home / 90,247.40-124,542.18-49,960.04

Finding the Fourth Proportional to 90,247.40, 124,542.18 and 49,960.04

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Solution

The fourth proportional to 90,247.40, 124,542.18 and 49,960.04 is: 68,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,247.40 : 124,542.18 = 49,960.04 : x
  2. Step 2: Convert to fraction form
    90,247.40/124,542.18 = 49,960.04/x
  3. Step 3: Cross multiply
    90,247.40x = 124,542.18 × 49,960.04
  4. Step 4: Simplify right side
    90,247.40x = 6,222,132,294.49
  5. Step 5: Solve for x
    x = 6,222,132,294.49/90,247.40
  6. Step 6: Final answer
    x = 68,945.28

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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.