Home / 74,422.20-111,651.30-21,833.40

Finding the Fourth Proportional to 74,422.20, 111,651.30 and 21,833.40

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Solution

The fourth proportional to 74,422.20, 111,651.30 and 21,833.40 is: 32,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,422.20 : 111,651.30 = 21,833.40 : x
  2. Step 2: Convert to fraction form
    74,422.20/111,651.30 = 21,833.40/x
  3. Step 3: Cross multiply
    74,422.20x = 111,651.30 × 21,833.40
  4. Step 4: Simplify right side
    74,422.20x = 2,437,727,493.42
  5. Step 5: Solve for x
    x = 2,437,727,493.42/74,422.20
  6. Step 6: Final answer
    x = 32,755.38

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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.