Home / 89,507.50-123,521.25-49,221.54

Finding the Fourth Proportional to 89,507.50, 123,521.25 and 49,221.54

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Solution

The fourth proportional to 89,507.50, 123,521.25 and 49,221.54 is: 67,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,507.50 : 123,521.25 = 49,221.54 : x
  2. Step 2: Convert to fraction form
    89,507.50/123,521.25 = 49,221.54/x
  3. Step 3: Cross multiply
    89,507.50x = 123,521.25 × 49,221.54
  4. Step 4: Simplify right side
    89,507.50x = 6,079,906,332.31
  5. Step 5: Solve for x
    x = 6,079,906,332.31/89,507.50
  6. Step 6: Final answer
    x = 67,926.22

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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.