Home / 79,815.03-119,759.19-29,899.17

Finding the Fourth Proportional to 79,815.03, 119,759.19 and 29,899.17

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Solution

The fourth proportional to 79,815.03, 119,759.19 and 29,899.17 is: 44,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,815.03 : 119,759.19 = 29,899.17 : x
  2. Step 2: Convert to fraction form
    79,815.03/119,759.19 = 29,899.17/x
  3. Step 3: Cross multiply
    79,815.03x = 119,759.19 × 29,899.17
  4. Step 4: Simplify right side
    79,815.03x = 3,580,700,380.87
  5. Step 5: Solve for x
    x = 3,580,700,380.87/79,815.03
  6. Step 6: Final answer
    x = 44,862.48

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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.