Home / 79,834.59-119,779.29-27,280.98

Finding the Fourth Proportional to 79,834.59, 119,779.29 and 27,280.98

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Solution

The fourth proportional to 79,834.59, 119,779.29 and 27,280.98 is: 40,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,834.59 : 119,779.29 = 27,280.98 : x
  2. Step 2: Convert to fraction form
    79,834.59/119,779.29 = 27,280.98/x
  3. Step 3: Cross multiply
    79,834.59x = 119,779.29 × 27,280.98
  4. Step 4: Simplify right side
    79,834.59x = 3,267,696,414.90
  5. Step 5: Solve for x
    x = 3,267,696,414.90/79,834.59
  6. Step 6: Final answer
    x = 40,930.83

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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.