Home / 48,157.89-72,229.68-18,572.04

Finding the Fourth Proportional to 48,157.89, 72,229.68 and 18,572.04

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Solution

The fourth proportional to 48,157.89, 72,229.68 and 18,572.04 is: 27,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,157.89 : 72,229.68 = 18,572.04 : x
  2. Step 2: Convert to fraction form
    48,157.89/72,229.68 = 18,572.04/x
  3. Step 3: Cross multiply
    48,157.89x = 72,229.68 × 18,572.04
  4. Step 4: Simplify right side
    48,157.89x = 1,341,452,506.15
  5. Step 5: Solve for x
    x = 1,341,452,506.15/48,157.89
  6. Step 6: Final answer
    x = 27,855.30

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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.