Home / 90,704.43-125,182.28-50,422.03

Finding the Fourth Proportional to 90,704.43, 125,182.28 and 50,422.03

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Solution

The fourth proportional to 90,704.43, 125,182.28 and 50,422.03 is: 69,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,704.43 : 125,182.28 = 50,422.03 : x
  2. Step 2: Convert to fraction form
    90,704.43/125,182.28 = 50,422.03/x
  3. Step 3: Cross multiply
    90,704.43x = 125,182.28 × 50,422.03
  4. Step 4: Simplify right side
    90,704.43x = 6,311,944,490.73
  5. Step 5: Solve for x
    x = 6,311,944,490.73/90,704.43
  6. Step 6: Final answer
    x = 69,588.05

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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.