Home / 86,040.20-129,062.46-41,658.68

Finding the Fourth Proportional to 86,040.20, 129,062.46 and 41,658.68

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Solution

The fourth proportional to 86,040.20, 129,062.46 and 41,658.68 is: 62,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,040.20 : 129,062.46 = 41,658.68 : x
  2. Step 2: Convert to fraction form
    86,040.20/129,062.46 = 41,658.68/x
  3. Step 3: Cross multiply
    86,040.20x = 129,062.46 × 41,658.68
  4. Step 4: Simplify right side
    86,040.20x = 5,376,571,721.15
  5. Step 5: Solve for x
    x = 5,376,571,721.15/86,040.20
  6. Step 6: Final answer
    x = 62,489.07

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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.