Home / 96,849.92-145,187.20-67,281.60

Finding the Fourth Proportional to 96,849.92, 145,187.20 and 67,281.60

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Solution

The fourth proportional to 96,849.92, 145,187.20 and 67,281.60 is: 100,861.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,849.92 : 145,187.20 = 67,281.60 : x
  2. Step 2: Convert to fraction form
    96,849.92/145,187.20 = 67,281.60/x
  3. Step 3: Cross multiply
    96,849.92x = 145,187.20 × 67,281.60
  4. Step 4: Simplify right side
    96,849.92x = 9,768,427,115.52
  5. Step 5: Solve for x
    x = 9,768,427,115.52/96,849.92
  6. Step 6: Final answer
    x = 100,861.49

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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.