Home / 40,769.20-61,024.20-29,105.20

Finding the Fourth Proportional to 40,769.20, 61,024.20 and 29,105.20

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Solution

The fourth proportional to 40,769.20, 61,024.20 and 29,105.20 is: 43,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,769.20 : 61,024.20 = 29,105.20 : x
  2. Step 2: Convert to fraction form
    40,769.20/61,024.20 = 29,105.20/x
  3. Step 3: Cross multiply
    40,769.20x = 61,024.20 × 29,105.20
  4. Step 4: Simplify right side
    40,769.20x = 1,776,121,545.84
  5. Step 5: Solve for x
    x = 1,776,121,545.84/40,769.20
  6. Step 6: Final answer
    x = 43,565.28

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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.