Home / 90,521.94-124,914.96-50,232.78

Finding the Fourth Proportional to 90,521.94, 124,914.96 and 50,232.78

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Solution

The fourth proportional to 90,521.94, 124,914.96 and 50,232.78 is: 69,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,521.94 : 124,914.96 = 50,232.78 : x
  2. Step 2: Convert to fraction form
    90,521.94/124,914.96 = 50,232.78/x
  3. Step 3: Cross multiply
    90,521.94x = 124,914.96 × 50,232.78
  4. Step 4: Simplify right side
    90,521.94x = 6,274,825,704.39
  5. Step 5: Solve for x
    x = 6,274,825,704.39/90,521.94
  6. Step 6: Final answer
    x = 69,318.29

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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.