Home / 95,738.20-143,607.30-75,909.40

Finding the Fourth Proportional to 95,738.20, 143,607.30 and 75,909.40

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Solution

The fourth proportional to 95,738.20, 143,607.30 and 75,909.40 is: 113,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,738.20 : 143,607.30 = 75,909.40 : x
  2. Step 2: Convert to fraction form
    95,738.20/143,607.30 = 75,909.40/x
  3. Step 3: Cross multiply
    95,738.20x = 143,607.30 × 75,909.40
  4. Step 4: Simplify right side
    95,738.20x = 10,901,143,978.62
  5. Step 5: Solve for x
    x = 10,901,143,978.62/95,738.20
  6. Step 6: Final answer
    x = 113,864.10

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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.