Home / 86,324.31-129,452.45-41,937.93

Finding the Fourth Proportional to 86,324.31, 129,452.45 and 41,937.93

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Solution

The fourth proportional to 86,324.31, 129,452.45 and 41,937.93 is: 62,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,324.31 : 129,452.45 = 41,937.93 : x
  2. Step 2: Convert to fraction form
    86,324.31/129,452.45 = 41,937.93/x
  3. Step 3: Cross multiply
    86,324.31x = 129,452.45 × 41,937.93
  4. Step 4: Simplify right side
    86,324.31x = 5,428,967,576.74
  5. Step 5: Solve for x
    x = 5,428,967,576.74/86,324.31
  6. Step 6: Final answer
    x = 62,890.37

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1.5x scale

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.