Home / 95,136.50-131,288.38-52,697.76

Finding the Fourth Proportional to 95,136.50, 131,288.38 and 52,697.76

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Solution

The fourth proportional to 95,136.50, 131,288.38 and 52,697.76 is: 72,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,136.50 : 131,288.38 = 52,697.76 : x
  2. Step 2: Convert to fraction form
    95,136.50/131,288.38 = 52,697.76/x
  3. Step 3: Cross multiply
    95,136.50x = 131,288.38 × 52,697.76
  4. Step 4: Simplify right side
    95,136.50x = 6,918,603,540.03
  5. Step 5: Solve for x
    x = 6,918,603,540.03/95,136.50
  6. Step 6: Final answer
    x = 72,722.91

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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.