Home / 95,747.20-143,685.60-43,129.60

Finding the Fourth Proportional to 95,747.20, 143,685.60 and 43,129.60

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Solution

The fourth proportional to 95,747.20, 143,685.60 and 43,129.60 is: 64,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,747.20 : 143,685.60 = 43,129.60 : x
  2. Step 2: Convert to fraction form
    95,747.20/143,685.60 = 43,129.60/x
  3. Step 3: Cross multiply
    95,747.20x = 143,685.60 × 43,129.60
  4. Step 4: Simplify right side
    95,747.20x = 6,197,102,453.76
  5. Step 5: Solve for x
    x = 6,197,102,453.76/95,747.20
  6. Step 6: Final answer
    x = 64,723.59

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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.