Home / 95,215.08-131,401.12-54,382.78

Finding the Fourth Proportional to 95,215.08, 131,401.12 and 54,382.78

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Solution

The fourth proportional to 95,215.08, 131,401.12 and 54,382.78 is: 75,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,215.08 : 131,401.12 = 54,382.78 : x
  2. Step 2: Convert to fraction form
    95,215.08/131,401.12 = 54,382.78/x
  3. Step 3: Cross multiply
    95,215.08x = 131,401.12 × 54,382.78
  4. Step 4: Simplify right side
    95,215.08x = 7,145,958,200.71
  5. Step 5: Solve for x
    x = 7,145,958,200.71/95,215.08
  6. Step 6: Final answer
    x = 75,050.70

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1.5x scale

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.