Home / 95,049.25-142,758.41-69,990.33

Finding the Fourth Proportional to 95,049.25, 142,758.41 and 69,990.33

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Solution

The fourth proportional to 95,049.25, 142,758.41 and 69,990.33 is: 105,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,049.25 : 142,758.41 = 69,990.33 : x
  2. Step 2: Convert to fraction form
    95,049.25/142,758.41 = 69,990.33/x
  3. Step 3: Cross multiply
    95,049.25x = 142,758.41 × 69,990.33
  4. Step 4: Simplify right side
    95,049.25x = 9,991,708,260.03
  5. Step 5: Solve for x
    x = 9,991,708,260.03/95,049.25
  6. Step 6: Final answer
    x = 105,121.38

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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.