Home / 90,677.92-125,136.22-50,395.46

Finding the Fourth Proportional to 90,677.92, 125,136.22 and 50,395.46

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Solution

The fourth proportional to 90,677.92, 125,136.22 and 50,395.46 is: 69,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,677.92 : 125,136.22 = 50,395.46 : x
  2. Step 2: Convert to fraction form
    90,677.92/125,136.22 = 50,395.46/x
  3. Step 3: Cross multiply
    90,677.92x = 125,136.22 × 50,395.46
  4. Step 4: Simplify right side
    90,677.92x = 6,306,297,369.56
  5. Step 5: Solve for x
    x = 6,306,297,369.56/90,677.92
  6. Step 6: Final answer
    x = 69,546.12

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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.