Home / 108,052.20-162,151.20-63,631.80

Finding the Fourth Proportional to 108,052.20, 162,151.20 and 63,631.80

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Solution

The fourth proportional to 108,052.20, 162,151.20 and 63,631.80 is: 95,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,052.20 : 162,151.20 = 63,631.80 : x
  2. Step 2: Convert to fraction form
    108,052.20/162,151.20 = 63,631.80/x
  3. Step 3: Cross multiply
    108,052.20x = 162,151.20 × 63,631.80
  4. Step 4: Simplify right side
    108,052.20x = 10,317,972,728.16
  5. Step 5: Solve for x
    x = 10,317,972,728.16/108,052.20
  6. Step 6: Final answer
    x = 95,490.63

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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.