Home / 90,487.24-124,872.42-50,743.24

Finding the Fourth Proportional to 90,487.24, 124,872.42 and 50,743.24

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Solution

The fourth proportional to 90,487.24, 124,872.42 and 50,743.24 is: 70,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,487.24 : 124,872.42 = 50,743.24 : x
  2. Step 2: Convert to fraction form
    90,487.24/124,872.42 = 50,743.24/x
  3. Step 3: Cross multiply
    90,487.24x = 124,872.42 × 50,743.24
  4. Step 4: Simplify right side
    90,487.24x = 6,336,431,177.44
  5. Step 5: Solve for x
    x = 6,336,431,177.44/90,487.24
  6. Step 6: Final answer
    x = 70,025.69

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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.