Home / 78,764.76-108,716.04-44,793.12

Finding the Fourth Proportional to 78,764.76, 108,716.04 and 44,793.12

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Solution

The fourth proportional to 78,764.76, 108,716.04 and 44,793.12 is: 61,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,764.76 : 108,716.04 = 44,793.12 : x
  2. Step 2: Convert to fraction form
    78,764.76/108,716.04 = 44,793.12/x
  3. Step 3: Cross multiply
    78,764.76x = 108,716.04 × 44,793.12
  4. Step 4: Simplify right side
    78,764.76x = 4,869,730,625.64
  5. Step 5: Solve for x
    x = 4,869,730,625.64/78,764.76
  6. Step 6: Final answer
    x = 61,826.26

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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.