Home / 89,332.91-123,279.66-49,049.28

Finding the Fourth Proportional to 89,332.91, 123,279.66 and 49,049.28

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Solution

The fourth proportional to 89,332.91, 123,279.66 and 49,049.28 is: 67,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,332.91 : 123,279.66 = 49,049.28 : x
  2. Step 2: Convert to fraction form
    89,332.91/123,279.66 = 49,049.28/x
  3. Step 3: Cross multiply
    89,332.91x = 123,279.66 × 49,049.28
  4. Step 4: Simplify right side
    89,332.91x = 6,046,778,622.69
  5. Step 5: Solve for x
    x = 6,046,778,622.69/89,332.91
  6. Step 6: Final answer
    x = 67,688.14

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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.