Home / 80,760.92-121,166.20-41,345.70

Finding the Fourth Proportional to 80,760.92, 121,166.20 and 41,345.70

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Solution

The fourth proportional to 80,760.92, 121,166.20 and 41,345.70 is: 62,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,760.92 : 121,166.20 = 41,345.70 : x
  2. Step 2: Convert to fraction form
    80,760.92/121,166.20 = 41,345.70/x
  3. Step 3: Cross multiply
    80,760.92x = 121,166.20 × 41,345.70
  4. Step 4: Simplify right side
    80,760.92x = 5,009,701,355.34
  5. Step 5: Solve for x
    x = 5,009,701,355.34/80,760.92
  6. Step 6: Final answer
    x = 62,031.26

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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.