Home / 74,972.28-112,476.22-22,380.40

Finding the Fourth Proportional to 74,972.28, 112,476.22 and 22,380.40

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Solution

The fourth proportional to 74,972.28, 112,476.22 and 22,380.40 is: 33,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,972.28 : 112,476.22 = 22,380.40 : x
  2. Step 2: Convert to fraction form
    74,972.28/112,476.22 = 22,380.40/x
  3. Step 3: Cross multiply
    74,972.28x = 112,476.22 × 22,380.40
  4. Step 4: Simplify right side
    74,972.28x = 2,517,262,456.95
  5. Step 5: Solve for x
    x = 2,517,262,456.95/74,972.28
  6. Step 6: Final answer
    x = 33,575.91

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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.