Home / 89,743.69-123,847.13-49,458.92

Finding the Fourth Proportional to 89,743.69, 123,847.13 and 49,458.92

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Solution

The fourth proportional to 89,743.69, 123,847.13 and 49,458.92 is: 68,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.69 : 123,847.13 = 49,458.92 : x
  2. Step 2: Convert to fraction form
    89,743.69/123,847.13 = 49,458.92/x
  3. Step 3: Cross multiply
    89,743.69x = 123,847.13 × 49,458.92
  4. Step 4: Simplify right side
    89,743.69x = 6,125,345,047.61
  5. Step 5: Solve for x
    x = 6,125,345,047.61/89,743.69
  6. Step 6: Final answer
    x = 68,253.77

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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.