Home / 89,703.27-123,789.92-49,416.12

Finding the Fourth Proportional to 89,703.27, 123,789.92 and 49,416.12

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Solution

The fourth proportional to 89,703.27, 123,789.92 and 49,416.12 is: 68,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,703.27 : 123,789.92 = 49,416.12 : x
  2. Step 2: Convert to fraction form
    89,703.27/123,789.92 = 49,416.12/x
  3. Step 3: Cross multiply
    89,703.27x = 123,789.92 × 49,416.12
  4. Step 4: Simplify right side
    89,703.27x = 6,117,217,294.43
  5. Step 5: Solve for x
    x = 6,117,217,294.43/89,703.27
  6. Step 6: Final answer
    x = 68,193.92

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1.5x scale

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.