Home / 48,127.82-72,204.03-18,537.71

Finding the Fourth Proportional to 48,127.82, 72,204.03 and 18,537.71

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Solution

The fourth proportional to 48,127.82, 72,204.03 and 18,537.71 is: 27,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,127.82 : 72,204.03 = 18,537.71 : x
  2. Step 2: Convert to fraction form
    48,127.82/72,204.03 = 18,537.71/x
  3. Step 3: Cross multiply
    48,127.82x = 72,204.03 × 18,537.71
  4. Step 4: Simplify right side
    48,127.82x = 1,338,497,278.72
  5. Step 5: Solve for x
    x = 1,338,497,278.72/48,127.82
  6. Step 6: Final answer
    x = 27,811.30

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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.