Home / 71,535.92-107,409.21-40,007.75

Finding the Fourth Proportional to 71,535.92, 107,409.21 and 40,007.75

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Solution

The fourth proportional to 71,535.92, 107,409.21 and 40,007.75 is: 60,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,535.92 : 107,409.21 = 40,007.75 : x
  2. Step 2: Convert to fraction form
    71,535.92/107,409.21 = 40,007.75/x
  3. Step 3: Cross multiply
    71,535.92x = 107,409.21 × 40,007.75
  4. Step 4: Simplify right side
    71,535.92x = 4,297,200,520.78
  5. Step 5: Solve for x
    x = 4,297,200,520.78/71,535.92
  6. Step 6: Final answer
    x = 60,070.53

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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.