Home / 48,463.20-72,694.80-13,399.92

Finding the Fourth Proportional to 48,463.20, 72,694.80 and 13,399.92

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Solution

The fourth proportional to 48,463.20, 72,694.80 and 13,399.92 is: 20,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,463.20 : 72,694.80 = 13,399.92 : x
  2. Step 2: Convert to fraction form
    48,463.20/72,694.80 = 13,399.92/x
  3. Step 3: Cross multiply
    48,463.20x = 72,694.80 × 13,399.92
  4. Step 4: Simplify right side
    48,463.20x = 974,104,504.42
  5. Step 5: Solve for x
    x = 974,104,504.42/48,463.20
  6. Step 6: Final answer
    x = 20,099.88

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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.