Home / 101,982.24-140,735.22-56,660.04

Finding the Fourth Proportional to 101,982.24, 140,735.22 and 56,660.04

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Solution

The fourth proportional to 101,982.24, 140,735.22 and 56,660.04 is: 78,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,982.24 : 140,735.22 = 56,660.04 : x
  2. Step 2: Convert to fraction form
    101,982.24/140,735.22 = 56,660.04/x
  3. Step 3: Cross multiply
    101,982.24x = 140,735.22 × 56,660.04
  4. Step 4: Simplify right side
    101,982.24x = 7,974,063,194.61
  5. Step 5: Solve for x
    x = 7,974,063,194.61/101,982.24
  6. Step 6: Final answer
    x = 78,190.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.