Home / 88,065.68-131,990.26-40,614.90

Finding the Fourth Proportional to 88,065.68, 131,990.26 and 40,614.90

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Solution

The fourth proportional to 88,065.68, 131,990.26 and 40,614.90 is: 60,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,065.68 : 131,990.26 = 40,614.90 : x
  2. Step 2: Convert to fraction form
    88,065.68/131,990.26 = 40,614.90/x
  3. Step 3: Cross multiply
    88,065.68x = 131,990.26 × 40,614.90
  4. Step 4: Simplify right side
    88,065.68x = 5,360,771,210.87
  5. Step 5: Solve for x
    x = 5,360,771,210.87/88,065.68
  6. Step 6: Final answer
    x = 60,872.42

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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.