Home / 104,660.32-156,995.92-34,545.12

Finding the Fourth Proportional to 104,660.32, 156,995.92 and 34,545.12

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Solution

The fourth proportional to 104,660.32, 156,995.92 and 34,545.12 is: 51,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,660.32 : 156,995.92 = 34,545.12 : x
  2. Step 2: Convert to fraction form
    104,660.32/156,995.92 = 34,545.12/x
  3. Step 3: Cross multiply
    104,660.32x = 156,995.92 × 34,545.12
  4. Step 4: Simplify right side
    104,660.32x = 5,423,442,895.91
  5. Step 5: Solve for x
    x = 5,423,442,895.91/104,660.32
  6. Step 6: Final answer
    x = 51,819.48

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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.