Home / 55,228.68-76,149.62-45,119.88

Finding the Fourth Proportional to 55,228.68, 76,149.62 and 45,119.88

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Solution

The fourth proportional to 55,228.68, 76,149.62 and 45,119.88 is: 62,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.68 : 76,149.62 = 45,119.88 : x
  2. Step 2: Convert to fraction form
    55,228.68/76,149.62 = 45,119.88/x
  3. Step 3: Cross multiply
    55,228.68x = 76,149.62 × 45,119.88
  4. Step 4: Simplify right side
    55,228.68x = 3,435,861,716.45
  5. Step 5: Solve for x
    x = 3,435,861,716.45/55,228.68
  6. Step 6: Final answer
    x = 62,211.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.