Home / 90,863.42-125,388.73-50,576.15

Finding the Fourth Proportional to 90,863.42, 125,388.73 and 50,576.15

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Solution

The fourth proportional to 90,863.42, 125,388.73 and 50,576.15 is: 69,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,863.42 : 125,388.73 = 50,576.15 : x
  2. Step 2: Convert to fraction form
    90,863.42/125,388.73 = 50,576.15/x
  3. Step 3: Cross multiply
    90,863.42x = 125,388.73 × 50,576.15
  4. Step 4: Simplify right side
    90,863.42x = 6,341,679,216.79
  5. Step 5: Solve for x
    x = 6,341,679,216.79/90,863.42
  6. Step 6: Final answer
    x = 69,793.53

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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.