Home / 71,323.10-107,061.45-40,219.10

Finding the Fourth Proportional to 71,323.10, 107,061.45 and 40,219.10

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Solution

The fourth proportional to 71,323.10, 107,061.45 and 40,219.10 is: 60,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,323.10 : 107,061.45 = 40,219.10 : x
  2. Step 2: Convert to fraction form
    71,323.10/107,061.45 = 40,219.10/x
  3. Step 3: Cross multiply
    71,323.10x = 107,061.45 × 40,219.10
  4. Step 4: Simplify right side
    71,323.10x = 4,305,915,163.70
  5. Step 5: Solve for x
    x = 4,305,915,163.70/71,323.10
  6. Step 6: Final answer
    x = 60,371.96

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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.