Home / 42,049.62-63,074.66-12,467.70

Finding the Fourth Proportional to 42,049.62, 63,074.66 and 12,467.70

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Solution

The fourth proportional to 42,049.62, 63,074.66 and 12,467.70 is: 18,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,049.62 : 63,074.66 = 12,467.70 : x
  2. Step 2: Convert to fraction form
    42,049.62/63,074.66 = 12,467.70/x
  3. Step 3: Cross multiply
    42,049.62x = 63,074.66 × 12,467.70
  4. Step 4: Simplify right side
    42,049.62x = 786,395,938.48
  5. Step 5: Solve for x
    x = 786,395,938.48/42,049.62
  6. Step 6: Final answer
    x = 18,701.62

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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.