Home / 90,228.38-124,502.13-49,942.04

Finding the Fourth Proportional to 90,228.38, 124,502.13 and 49,942.04

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Solution

The fourth proportional to 90,228.38, 124,502.13 and 49,942.04 is: 68,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,228.38 : 124,502.13 = 49,942.04 : x
  2. Step 2: Convert to fraction form
    90,228.38/124,502.13 = 49,942.04/x
  3. Step 3: Cross multiply
    90,228.38x = 124,502.13 × 49,942.04
  4. Step 4: Simplify right side
    90,228.38x = 6,217,890,356.55
  5. Step 5: Solve for x
    x = 6,217,890,356.55/90,228.38
  6. Step 6: Final answer
    x = 68,912.80

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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.