Home / 95,734.28-143,387.58-69,378.50

Finding the Fourth Proportional to 95,734.28, 143,387.58 and 69,378.50

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Solution

The fourth proportional to 95,734.28, 143,387.58 and 69,378.50 is: 103,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,734.28 : 143,387.58 = 69,378.50 : x
  2. Step 2: Convert to fraction form
    95,734.28/143,387.58 = 69,378.50/x
  3. Step 3: Cross multiply
    95,734.28x = 143,387.58 × 69,378.50
  4. Step 4: Simplify right side
    95,734.28x = 9,948,015,219.03
  5. Step 5: Solve for x
    x = 9,948,015,219.03/95,734.28
  6. Step 6: Final answer
    x = 103,912.78

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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.