Home / 79,015.88-118,454.16-39,517.04

Finding the Fourth Proportional to 79,015.88, 118,454.16 and 39,517.04

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Solution

The fourth proportional to 79,015.88, 118,454.16 and 39,517.04 is: 59,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,015.88 : 118,454.16 = 39,517.04 : x
  2. Step 2: Convert to fraction form
    79,015.88/118,454.16 = 39,517.04/x
  3. Step 3: Cross multiply
    79,015.88x = 118,454.16 × 39,517.04
  4. Step 4: Simplify right side
    79,015.88x = 4,680,957,778.89
  5. Step 5: Solve for x
    x = 4,680,957,778.89/79,015.88
  6. Step 6: Final answer
    x = 59,240.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.