Home / 79,182.50-109,273.66-43,372.22

Finding the Fourth Proportional to 79,182.50, 109,273.66 and 43,372.22

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Solution

The fourth proportional to 79,182.50, 109,273.66 and 43,372.22 is: 59,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182.50 : 109,273.66 = 43,372.22 : x
  2. Step 2: Convert to fraction form
    79,182.50/109,273.66 = 43,372.22/x
  3. Step 3: Cross multiply
    79,182.50x = 109,273.66 × 43,372.22
  4. Step 4: Simplify right side
    79,182.50x = 4,739,441,221.73
  5. Step 5: Solve for x
    x = 4,739,441,221.73/79,182.50
  6. Step 6: Final answer
    x = 59,854.66

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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.