Home / 82,747.60-124,121.66-22,776.86

Finding the Fourth Proportional to 82,747.60, 124,121.66 and 22,776.86

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Solution

The fourth proportional to 82,747.60, 124,121.66 and 22,776.86 is: 34,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,747.60 : 124,121.66 = 22,776.86 : x
  2. Step 2: Convert to fraction form
    82,747.60/124,121.66 = 22,776.86/x
  3. Step 3: Cross multiply
    82,747.60x = 124,121.66 × 22,776.86
  4. Step 4: Simplify right side
    82,747.60x = 2,827,101,869.21
  5. Step 5: Solve for x
    x = 2,827,101,869.21/82,747.60
  6. Step 6: Final answer
    x = 34,165.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.