Home / 49,543.80-68,380.88-31,635.69

Finding the Fourth Proportional to 49,543.80, 68,380.88 and 31,635.69

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Solution

The fourth proportional to 49,543.80, 68,380.88 and 31,635.69 is: 43,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.80 : 68,380.88 = 31,635.69 : x
  2. Step 2: Convert to fraction form
    49,543.80/68,380.88 = 31,635.69/x
  3. Step 3: Cross multiply
    49,543.80x = 68,380.88 × 31,635.69
  4. Step 4: Simplify right side
    49,543.80x = 2,163,276,163.43
  5. Step 5: Solve for x
    x = 2,163,276,163.43/49,543.80
  6. Step 6: Final answer
    x = 43,663.91

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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.