Home / 56,299.26-77,691.78-30,805.52

Finding the Fourth Proportional to 56,299.26, 77,691.78 and 30,805.52

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Solution

The fourth proportional to 56,299.26, 77,691.78 and 30,805.52 is: 42,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,299.26 : 77,691.78 = 30,805.52 : x
  2. Step 2: Convert to fraction form
    56,299.26/77,691.78 = 30,805.52/x
  3. Step 3: Cross multiply
    56,299.26x = 77,691.78 × 30,805.52
  4. Step 4: Simplify right side
    56,299.26x = 2,393,335,876.86
  5. Step 5: Solve for x
    x = 2,393,335,876.86/56,299.26
  6. Step 6: Final answer
    x = 42,510.97

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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.