Home / 95,143.50-131,298.03-52,704.78

Finding the Fourth Proportional to 95,143.50, 131,298.03 and 52,704.78

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Solution

The fourth proportional to 95,143.50, 131,298.03 and 52,704.78 is: 72,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,143.50 : 131,298.03 = 52,704.78 : x
  2. Step 2: Convert to fraction form
    95,143.50/131,298.03 = 52,704.78/x
  3. Step 3: Cross multiply
    95,143.50x = 131,298.03 × 52,704.78
  4. Step 4: Simplify right side
    95,143.50x = 6,920,033,785.58
  5. Step 5: Solve for x
    x = 6,920,033,785.58/95,143.50
  6. Step 6: Final answer
    x = 72,732.60

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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.