Home / 49,462.80-68,255.43-31,555.88

Finding the Fourth Proportional to 49,462.80, 68,255.43 and 31,555.88

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Solution

The fourth proportional to 49,462.80, 68,255.43 and 31,555.88 is: 43,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,462.80 : 68,255.43 = 31,555.88 : x
  2. Step 2: Convert to fraction form
    49,462.80/68,255.43 = 31,555.88/x
  3. Step 3: Cross multiply
    49,462.80x = 68,255.43 × 31,555.88
  4. Step 4: Simplify right side
    49,462.80x = 2,153,860,158.43
  5. Step 5: Solve for x
    x = 2,153,860,158.43/49,462.80
  6. Step 6: Final answer
    x = 43,545.06

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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.