Home / 78,391.29-117,591.44-22,227.02

Finding the Fourth Proportional to 78,391.29, 117,591.44 and 22,227.02

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Solution

The fourth proportional to 78,391.29, 117,591.44 and 22,227.02 is: 33,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,391.29 : 117,591.44 = 22,227.02 : x
  2. Step 2: Convert to fraction form
    78,391.29/117,591.44 = 22,227.02/x
  3. Step 3: Cross multiply
    78,391.29x = 117,591.44 × 22,227.02
  4. Step 4: Simplify right side
    78,391.29x = 2,613,706,589.62
  5. Step 5: Solve for x
    x = 2,613,706,589.62/78,391.29
  6. Step 6: Final answer
    x = 33,341.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.