Home / 95,764.40-143,512.18-75,685.64

Finding the Fourth Proportional to 95,764.40, 143,512.18 and 75,685.64

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Solution

The fourth proportional to 95,764.40, 143,512.18 and 75,685.64 is: 113,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,764.40 : 143,512.18 = 75,685.64 : x
  2. Step 2: Convert to fraction form
    95,764.40/143,512.18 = 75,685.64/x
  3. Step 3: Cross multiply
    95,764.40x = 143,512.18 × 75,685.64
  4. Step 4: Simplify right side
    95,764.40x = 10,861,811,191.10
  5. Step 5: Solve for x
    x = 10,861,811,191.10/95,764.40
  6. Step 6: Final answer
    x = 113,422.22

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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.