Home / 48,167.20-72,262.08-20,105.60

Finding the Fourth Proportional to 48,167.20, 72,262.08 and 20,105.60

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Solution

The fourth proportional to 48,167.20, 72,262.08 and 20,105.60 is: 30,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,167.20 : 72,262.08 = 20,105.60 : x
  2. Step 2: Convert to fraction form
    48,167.20/72,262.08 = 20,105.60/x
  3. Step 3: Cross multiply
    48,167.20x = 72,262.08 × 20,105.60
  4. Step 4: Simplify right side
    48,167.20x = 1,452,872,475.65
  5. Step 5: Solve for x
    x = 1,452,872,475.65/48,167.20
  6. Step 6: Final answer
    x = 30,163.11

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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.