Home / 47,463.12-71,198.78-12,402.76

Finding the Fourth Proportional to 47,463.12, 71,198.78 and 12,402.76

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Solution

The fourth proportional to 47,463.12, 71,198.78 and 12,402.76 is: 18,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,463.12 : 71,198.78 = 12,402.76 : x
  2. Step 2: Convert to fraction form
    47,463.12/71,198.78 = 12,402.76/x
  3. Step 3: Cross multiply
    47,463.12x = 71,198.78 × 12,402.76
  4. Step 4: Simplify right side
    47,463.12x = 883,061,380.63
  5. Step 5: Solve for x
    x = 883,061,380.63/47,463.12
  6. Step 6: Final answer
    x = 18,605.21

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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.