Home / 82,024.38-122,948.82-58,579.74

Finding the Fourth Proportional to 82,024.38, 122,948.82 and 58,579.74

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Solution

The fourth proportional to 82,024.38, 122,948.82 and 58,579.74 is: 87,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,024.38 : 122,948.82 = 58,579.74 : x
  2. Step 2: Convert to fraction form
    82,024.38/122,948.82 = 58,579.74/x
  3. Step 3: Cross multiply
    82,024.38x = 122,948.82 × 58,579.74
  4. Step 4: Simplify right side
    82,024.38x = 7,202,309,908.91
  5. Step 5: Solve for x
    x = 7,202,309,908.91/82,024.38
  6. Step 6: Final answer
    x = 87,806.94

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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.