Home / 82,634.40-123,951.60-27,223.20

Finding the Fourth Proportional to 82,634.40, 123,951.60 and 27,223.20

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Solution

The fourth proportional to 82,634.40, 123,951.60 and 27,223.20 is: 40,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,634.40 : 123,951.60 = 27,223.20 : x
  2. Step 2: Convert to fraction form
    82,634.40/123,951.60 = 27,223.20/x
  3. Step 3: Cross multiply
    82,634.40x = 123,951.60 × 27,223.20
  4. Step 4: Simplify right side
    82,634.40x = 3,374,359,197.12
  5. Step 5: Solve for x
    x = 3,374,359,197.12/82,634.40
  6. Step 6: Final answer
    x = 40,834.80

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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.