Home / 89,505.70-123,519.75-49,221.16

Finding the Fourth Proportional to 89,505.70, 123,519.75 and 49,221.16

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Solution

The fourth proportional to 89,505.70, 123,519.75 and 49,221.16 is: 67,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.70 : 123,519.75 = 49,221.16 : x
  2. Step 2: Convert to fraction form
    89,505.70/123,519.75 = 49,221.16/x
  3. Step 3: Cross multiply
    89,505.70x = 123,519.75 × 49,221.16
  4. Step 4: Simplify right side
    89,505.70x = 6,079,785,377.91
  5. Step 5: Solve for x
    x = 6,079,785,377.91/89,505.70
  6. Step 6: Final answer
    x = 67,926.24

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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.