Home / 79,217.46-109,320.08-43,408.85

Finding the Fourth Proportional to 79,217.46, 109,320.08 and 43,408.85

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Solution

The fourth proportional to 79,217.46, 109,320.08 and 43,408.85 is: 59,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,217.46 : 109,320.08 = 43,408.85 : x
  2. Step 2: Convert to fraction form
    79,217.46/109,320.08 = 43,408.85/x
  3. Step 3: Cross multiply
    79,217.46x = 109,320.08 × 43,408.85
  4. Step 4: Simplify right side
    79,217.46x = 4,745,458,191.06
  5. Step 5: Solve for x
    x = 4,745,458,191.06/79,217.46
  6. Step 6: Final answer
    x = 59,904.20

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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.