Home / 89,614.72-123,668.76-49,332.52

Finding the Fourth Proportional to 89,614.72, 123,668.76 and 49,332.52

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Solution

The fourth proportional to 89,614.72, 123,668.76 and 49,332.52 is: 68,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.72 : 123,668.76 = 49,332.52 : x
  2. Step 2: Convert to fraction form
    89,614.72/123,668.76 = 49,332.52/x
  3. Step 3: Cross multiply
    89,614.72x = 123,668.76 × 49,332.52
  4. Step 4: Simplify right side
    89,614.72x = 6,100,891,576.08
  5. Step 5: Solve for x
    x = 6,100,891,576.08/89,614.72
  6. Step 6: Final answer
    x = 68,079.12

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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.