Home / 79,367.18-109,526.39-43,557.78

Finding the Fourth Proportional to 79,367.18, 109,526.39 and 43,557.78

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Solution

The fourth proportional to 79,367.18, 109,526.39 and 43,557.78 is: 60,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,367.18 : 109,526.39 = 43,557.78 : x
  2. Step 2: Convert to fraction form
    79,367.18/109,526.39 = 43,557.78/x
  3. Step 3: Cross multiply
    79,367.18x = 109,526.39 × 43,557.78
  4. Step 4: Simplify right side
    79,367.18x = 4,770,726,399.81
  5. Step 5: Solve for x
    x = 4,770,726,399.81/79,367.18
  6. Step 6: Final answer
    x = 60,109.56

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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.