Home / 95,643.10-143,298.38-67,119.55

Finding the Fourth Proportional to 95,643.10, 143,298.38 and 67,119.55

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Solution

The fourth proportional to 95,643.10, 143,298.38 and 67,119.55 is: 100,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,643.10 : 143,298.38 = 67,119.55 : x
  2. Step 2: Convert to fraction form
    95,643.10/143,298.38 = 67,119.55/x
  3. Step 3: Cross multiply
    95,643.10x = 143,298.38 × 67,119.55
  4. Step 4: Simplify right side
    95,643.10x = 9,618,122,781.33
  5. Step 5: Solve for x
    x = 9,618,122,781.33/95,643.10
  6. Step 6: Final answer
    x = 100,562.64

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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.