Home / 96,581.70-144,872.55-67,057.20

Finding the Fourth Proportional to 96,581.70, 144,872.55 and 67,057.20

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Solution

The fourth proportional to 96,581.70, 144,872.55 and 67,057.20 is: 100,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,581.70 : 144,872.55 = 67,057.20 : x
  2. Step 2: Convert to fraction form
    96,581.70/144,872.55 = 67,057.20/x
  3. Step 3: Cross multiply
    96,581.70x = 144,872.55 × 67,057.20
  4. Step 4: Simplify right side
    96,581.70x = 9,714,747,559.86
  5. Step 5: Solve for x
    x = 9,714,747,559.86/96,581.70
  6. Step 6: Final answer
    x = 100,585.80

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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.