Home / 79,873.13-119,789.18-23,699.95

Finding the Fourth Proportional to 79,873.13, 119,789.18 and 23,699.95

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Solution

The fourth proportional to 79,873.13, 119,789.18 and 23,699.95 is: 35,543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873.13 : 119,789.18 = 23,699.95 : x
  2. Step 2: Convert to fraction form
    79,873.13/119,789.18 = 23,699.95/x
  3. Step 3: Cross multiply
    79,873.13x = 119,789.18 × 23,699.95
  4. Step 4: Simplify right side
    79,873.13x = 2,838,997,158.57
  5. Step 5: Solve for x
    x = 2,838,997,158.57/79,873.13
  6. Step 6: Final answer
    x = 35,543.83

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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.