Home / 61,724.66-85,179.76-34,500.71

Finding the Fourth Proportional to 61,724.66, 85,179.76 and 34,500.71

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Solution

The fourth proportional to 61,724.66, 85,179.76 and 34,500.71 is: 47,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,724.66 : 85,179.76 = 34,500.71 : x
  2. Step 2: Convert to fraction form
    61,724.66/85,179.76 = 34,500.71/x
  3. Step 3: Cross multiply
    61,724.66x = 85,179.76 × 34,500.71
  4. Step 4: Simplify right side
    61,724.66x = 2,938,761,814.86
  5. Step 5: Solve for x
    x = 2,938,761,814.86/61,724.66
  6. Step 6: Final answer
    x = 47,610.82

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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.