Home / 89,330.89-123,278.17-49,046.35

Finding the Fourth Proportional to 89,330.89, 123,278.17 and 49,046.35

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Solution

The fourth proportional to 89,330.89, 123,278.17 and 49,046.35 is: 67,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.89 : 123,278.17 = 49,046.35 : x
  2. Step 2: Convert to fraction form
    89,330.89/123,278.17 = 49,046.35/x
  3. Step 3: Cross multiply
    89,330.89x = 123,278.17 × 49,046.35
  4. Step 4: Simplify right side
    89,330.89x = 6,046,344,273.18
  5. Step 5: Solve for x
    x = 6,046,344,273.18/89,330.89
  6. Step 6: Final answer
    x = 67,684.81

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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.