Home / 87,222.40-120,360.06-49,496.64

Finding the Fourth Proportional to 87,222.40, 120,360.06 and 49,496.64

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Solution

The fourth proportional to 87,222.40, 120,360.06 and 49,496.64 is: 68,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,222.40 : 120,360.06 = 49,496.64 : x
  2. Step 2: Convert to fraction form
    87,222.40/120,360.06 = 49,496.64/x
  3. Step 3: Cross multiply
    87,222.40x = 120,360.06 × 49,496.64
  4. Step 4: Simplify right side
    87,222.40x = 5,957,418,560.20
  5. Step 5: Solve for x
    x = 5,957,418,560.20/87,222.40
  6. Step 6: Final answer
    x = 68,301.47

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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.