Home / 89,677.38-123,726.84-50,908.86

Finding the Fourth Proportional to 89,677.38, 123,726.84 and 50,908.86

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Solution

The fourth proportional to 89,677.38, 123,726.84 and 50,908.86 is: 70,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677.38 : 123,726.84 = 50,908.86 : x
  2. Step 2: Convert to fraction form
    89,677.38/123,726.84 = 50,908.86/x
  3. Step 3: Cross multiply
    89,677.38x = 123,726.84 × 50,908.86
  4. Step 4: Simplify right side
    89,677.38x = 6,298,792,375.80
  5. Step 5: Solve for x
    x = 6,298,792,375.80/89,677.38
  6. Step 6: Final answer
    x = 70,238.36

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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.