Home / 72,143.12-108,204.46-24,757.45

Finding the Fourth Proportional to 72,143.12, 108,204.46 and 24,757.45

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Solution

The fourth proportional to 72,143.12, 108,204.46 and 24,757.45 is: 37,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,143.12 : 108,204.46 = 24,757.45 : x
  2. Step 2: Convert to fraction form
    72,143.12/108,204.46 = 24,757.45/x
  3. Step 3: Cross multiply
    72,143.12x = 108,204.46 × 24,757.45
  4. Step 4: Simplify right side
    72,143.12x = 2,678,866,175.82
  5. Step 5: Solve for x
    x = 2,678,866,175.82/72,143.12
  6. Step 6: Final answer
    x = 37,132.66

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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.