Home / 79,229.50-109,337.58-43,418.75

Finding the Fourth Proportional to 79,229.50, 109,337.58 and 43,418.75

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Solution

The fourth proportional to 79,229.50, 109,337.58 and 43,418.75 is: 59,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,229.50 : 109,337.58 = 43,418.75 : x
  2. Step 2: Convert to fraction form
    79,229.50/109,337.58 = 43,418.75/x
  3. Step 3: Cross multiply
    79,229.50x = 109,337.58 × 43,418.75
  4. Step 4: Simplify right side
    79,229.50x = 4,747,300,504.94
  5. Step 5: Solve for x
    x = 4,747,300,504.94/79,229.50
  6. Step 6: Final answer
    x = 59,918.35

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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.