Home / 95,045.43-131,168.78-54,758.46

Finding the Fourth Proportional to 95,045.43, 131,168.78 and 54,758.46

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Solution

The fourth proportional to 95,045.43, 131,168.78 and 54,758.46 is: 75,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,045.43 : 131,168.78 = 54,758.46 : x
  2. Step 2: Convert to fraction form
    95,045.43/131,168.78 = 54,758.46/x
  3. Step 3: Cross multiply
    95,045.43x = 131,168.78 × 54,758.46
  4. Step 4: Simplify right side
    95,045.43x = 7,182,600,392.88
  5. Step 5: Solve for x
    x = 7,182,600,392.88/95,045.43
  6. Step 6: Final answer
    x = 75,570.18

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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.