Home / 74,759.71-112,161.21-22,170.46

Finding the Fourth Proportional to 74,759.71, 112,161.21 and 22,170.46

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Solution

The fourth proportional to 74,759.71, 112,161.21 and 22,170.46 is: 33,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759.71 : 112,161.21 = 22,170.46 : x
  2. Step 2: Convert to fraction form
    74,759.71/112,161.21 = 22,170.46/x
  3. Step 3: Cross multiply
    74,759.71x = 112,161.21 × 22,170.46
  4. Step 4: Simplify right side
    74,759.71x = 2,486,665,619.86
  5. Step 5: Solve for x
    x = 2,486,665,619.86/74,759.71
  6. Step 6: Final answer
    x = 33,262.11

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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.