Home / 48,493.92-72,732.64-13,425.38

Finding the Fourth Proportional to 48,493.92, 72,732.64 and 13,425.38

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Solution

The fourth proportional to 48,493.92, 72,732.64 and 13,425.38 is: 20,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.92 : 72,732.64 = 13,425.38 : x
  2. Step 2: Convert to fraction form
    48,493.92/72,732.64 = 13,425.38/x
  3. Step 3: Cross multiply
    48,493.92x = 72,732.64 × 13,425.38
  4. Step 4: Simplify right side
    48,493.92x = 976,463,330.40
  5. Step 5: Solve for x
    x = 976,463,330.40/48,493.92
  6. Step 6: Final answer
    x = 20,135.79

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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.