Home / 67,553.11-93,161.30-40,648.90

Finding the Fourth Proportional to 67,553.11, 93,161.30 and 40,648.90

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Solution

The fourth proportional to 67,553.11, 93,161.30 and 40,648.90 is: 56,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,553.11 : 93,161.30 = 40,648.90 : x
  2. Step 2: Convert to fraction form
    67,553.11/93,161.30 = 40,648.90/x
  3. Step 3: Cross multiply
    67,553.11x = 93,161.30 × 40,648.90
  4. Step 4: Simplify right side
    67,553.11x = 3,786,904,367.57
  5. Step 5: Solve for x
    x = 3,786,904,367.57/67,553.11
  6. Step 6: Final answer
    x = 56,058.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.