Home / 79,517.20-118,983.30-47,946.64

Finding the Fourth Proportional to 79,517.20, 118,983.30 and 47,946.64

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Solution

The fourth proportional to 79,517.20, 118,983.30 and 47,946.64 is: 71,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,517.20 : 118,983.30 = 47,946.64 : x
  2. Step 2: Convert to fraction form
    79,517.20/118,983.30 = 47,946.64/x
  3. Step 3: Cross multiply
    79,517.20x = 118,983.30 × 47,946.64
  4. Step 4: Simplify right side
    79,517.20x = 5,704,849,451.11
  5. Step 5: Solve for x
    x = 5,704,849,451.11/79,517.20
  6. Step 6: Final answer
    x = 71,743.59

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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.