Home / 79,296.11-109,418.54-45,306.80

Finding the Fourth Proportional to 79,296.11, 109,418.54 and 45,306.80

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Solution

The fourth proportional to 79,296.11, 109,418.54 and 45,306.80 is: 62,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,296.11 : 109,418.54 = 45,306.80 : x
  2. Step 2: Convert to fraction form
    79,296.11/109,418.54 = 45,306.80/x
  3. Step 3: Cross multiply
    79,296.11x = 109,418.54 × 45,306.80
  4. Step 4: Simplify right side
    79,296.11x = 4,957,403,474.25
  5. Step 5: Solve for x
    x = 4,957,403,474.25/79,296.11
  6. Step 6: Final answer
    x = 62,517.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.