Home / 48,493.68-72,732.26-13,425.12

Finding the Fourth Proportional to 48,493.68, 72,732.26 and 13,425.12

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Solution

The fourth proportional to 48,493.68, 72,732.26 and 13,425.12 is: 20,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.68 : 72,732.26 = 13,425.12 : x
  2. Step 2: Convert to fraction form
    48,493.68/72,732.26 = 13,425.12/x
  3. Step 3: Cross multiply
    48,493.68x = 72,732.26 × 13,425.12
  4. Step 4: Simplify right side
    48,493.68x = 976,439,318.37
  5. Step 5: Solve for x
    x = 976,439,318.37/48,493.68
  6. Step 6: Final answer
    x = 20,135.39

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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.