Home / 78,716.24-118,044.97-25,394.83

Finding the Fourth Proportional to 78,716.24, 118,044.97 and 25,394.83

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Solution

The fourth proportional to 78,716.24, 118,044.97 and 25,394.83 is: 38,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,716.24 : 118,044.97 = 25,394.83 : x
  2. Step 2: Convert to fraction form
    78,716.24/118,044.97 = 25,394.83/x
  3. Step 3: Cross multiply
    78,716.24x = 118,044.97 × 25,394.83
  4. Step 4: Simplify right side
    78,716.24x = 2,997,731,729.75
  5. Step 5: Solve for x
    x = 2,997,731,729.75/78,716.24
  6. Step 6: Final answer
    x = 38,082.76

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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.