Home / 65,819.20-98,440.80-58,849.60

Finding the Fourth Proportional to 65,819.20, 98,440.80 and 58,849.60

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Solution

The fourth proportional to 65,819.20, 98,440.80 and 58,849.60 is: 88,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,819.20 : 98,440.80 = 58,849.60 : x
  2. Step 2: Convert to fraction form
    65,819.20/98,440.80 = 58,849.60/x
  3. Step 3: Cross multiply
    65,819.20x = 98,440.80 × 58,849.60
  4. Step 4: Simplify right side
    65,819.20x = 5,793,201,703.68
  5. Step 5: Solve for x
    x = 5,793,201,703.68/65,819.20
  6. Step 6: Final answer
    x = 88,016.90

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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.