Home / 89,506.69-123,520.14-49,220.75

Finding the Fourth Proportional to 89,506.69, 123,520.14 and 49,220.75

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Solution

The fourth proportional to 89,506.69, 123,520.14 and 49,220.75 is: 67,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,506.69 : 123,520.14 = 49,220.75 : x
  2. Step 2: Convert to fraction form
    89,506.69/123,520.14 = 49,220.75/x
  3. Step 3: Cross multiply
    89,506.69x = 123,520.14 × 49,220.75
  4. Step 4: Simplify right side
    89,506.69x = 6,079,753,067.20
  5. Step 5: Solve for x
    x = 6,079,753,067.20/89,506.69
  6. Step 6: Final answer
    x = 67,925.13

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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.