Home / 79,360.28-109,520.33-43,551.57

Finding the Fourth Proportional to 79,360.28, 109,520.33 and 43,551.57

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Solution

The fourth proportional to 79,360.28, 109,520.33 and 43,551.57 is: 60,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,360.28 : 109,520.33 = 43,551.57 : x
  2. Step 2: Convert to fraction form
    79,360.28/109,520.33 = 43,551.57/x
  3. Step 3: Cross multiply
    79,360.28x = 109,520.33 × 43,551.57
  4. Step 4: Simplify right side
    79,360.28x = 4,769,782,318.42
  5. Step 5: Solve for x
    x = 4,769,782,318.42/79,360.28
  6. Step 6: Final answer
    x = 60,102.89

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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.