Home / 77,103.20-106,397.28-43,567.04

Finding the Fourth Proportional to 77,103.20, 106,397.28 and 43,567.04

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Solution

The fourth proportional to 77,103.20, 106,397.28 and 43,567.04 is: 60,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,103.20 : 106,397.28 = 43,567.04 : x
  2. Step 2: Convert to fraction form
    77,103.20/106,397.28 = 43,567.04/x
  3. Step 3: Cross multiply
    77,103.20x = 106,397.28 × 43,567.04
  4. Step 4: Simplify right side
    77,103.20x = 4,635,414,553.65
  5. Step 5: Solve for x
    x = 4,635,414,553.65/77,103.20
  6. Step 6: Final answer
    x = 60,119.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.