Home / 79,790.60-119,708.04-34,815.90

Finding the Fourth Proportional to 79,790.60, 119,708.04 and 34,815.90

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Solution

The fourth proportional to 79,790.60, 119,708.04 and 34,815.90 is: 52,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,790.60 : 119,708.04 = 34,815.90 : x
  2. Step 2: Convert to fraction form
    79,790.60/119,708.04 = 34,815.90/x
  3. Step 3: Cross multiply
    79,790.60x = 119,708.04 × 34,815.90
  4. Step 4: Simplify right side
    79,790.60x = 4,167,743,149.84
  5. Step 5: Solve for x
    x = 4,167,743,149.84/79,790.60
  6. Step 6: Final answer
    x = 52,233.51

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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.