Home / 48,127.88-72,204.12-18,537.77

Finding the Fourth Proportional to 48,127.88, 72,204.12 and 18,537.77

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Solution

The fourth proportional to 48,127.88, 72,204.12 and 18,537.77 is: 27,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,127.88 : 72,204.12 = 18,537.77 : x
  2. Step 2: Convert to fraction form
    48,127.88/72,204.12 = 18,537.77/x
  3. Step 3: Cross multiply
    48,127.88x = 72,204.12 × 18,537.77
  4. Step 4: Simplify right side
    48,127.88x = 1,338,503,369.61
  5. Step 5: Solve for x
    x = 1,338,503,369.61/48,127.88
  6. Step 6: Final answer
    x = 27,811.39

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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.