Home / 71,535.17-107,321.47-41,520.56

Finding the Fourth Proportional to 71,535.17, 107,321.47 and 41,520.56

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Solution

The fourth proportional to 71,535.17, 107,321.47 and 41,520.56 is: 62,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,535.17 : 107,321.47 = 41,520.56 : x
  2. Step 2: Convert to fraction form
    71,535.17/107,321.47 = 41,520.56/x
  3. Step 3: Cross multiply
    71,535.17x = 107,321.47 × 41,520.56
  4. Step 4: Simplify right side
    71,535.17x = 4,456,046,894.01
  5. Step 5: Solve for x
    x = 4,456,046,894.01/71,535.17
  6. Step 6: Final answer
    x = 62,291.69

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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.