Home / 71,695.90-107,558.21-40,150.83

Finding the Fourth Proportional to 71,695.90, 107,558.21 and 40,150.83

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Solution

The fourth proportional to 71,695.90, 107,558.21 and 40,150.83 is: 60,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,695.90 : 107,558.21 = 40,150.83 : x
  2. Step 2: Convert to fraction form
    71,695.90/107,558.21 = 40,150.83/x
  3. Step 3: Cross multiply
    71,695.90x = 107,558.21 × 40,150.83
  4. Step 4: Simplify right side
    71,695.90x = 4,318,551,404.81
  5. Step 5: Solve for x
    x = 4,318,551,404.81/71,695.90
  6. Step 6: Final answer
    x = 60,234.29

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1.5x scale

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.