Home / 81,586.76-122,182.54-41,500.28

Finding the Fourth Proportional to 81,586.76, 122,182.54 and 41,500.28

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Solution

The fourth proportional to 81,586.76, 122,182.54 and 41,500.28 is: 62,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,586.76 : 122,182.54 = 41,500.28 : x
  2. Step 2: Convert to fraction form
    81,586.76/122,182.54 = 41,500.28/x
  3. Step 3: Cross multiply
    81,586.76x = 122,182.54 × 41,500.28
  4. Step 4: Simplify right side
    81,586.76x = 5,070,609,621.11
  5. Step 5: Solve for x
    x = 5,070,609,621.11/81,586.76
  6. Step 6: Final answer
    x = 62,149.91

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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.