Home / 86,042.57-129,096.95-41,665.91

Finding the Fourth Proportional to 86,042.57, 129,096.95 and 41,665.91

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Solution

The fourth proportional to 86,042.57, 129,096.95 and 41,665.91 is: 62,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,042.57 : 129,096.95 = 41,665.91 : x
  2. Step 2: Convert to fraction form
    86,042.57/129,096.95 = 41,665.91/x
  3. Step 3: Cross multiply
    86,042.57x = 129,096.95 × 41,665.91
  4. Step 4: Simplify right side
    86,042.57x = 5,378,941,046.16
  5. Step 5: Solve for x
    x = 5,378,941,046.16/86,042.57
  6. Step 6: Final answer
    x = 62,514.88

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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.