Home / 90,919.31-125,468.33-50,633.55

Finding the Fourth Proportional to 90,919.31, 125,468.33 and 50,633.55

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Solution

The fourth proportional to 90,919.31, 125,468.33 and 50,633.55 is: 69,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,919.31 : 125,468.33 = 50,633.55 : x
  2. Step 2: Convert to fraction form
    90,919.31/125,468.33 = 50,633.55/x
  3. Step 3: Cross multiply
    90,919.31x = 125,468.33 × 50,633.55
  4. Step 4: Simplify right side
    90,919.31x = 6,352,906,707.30
  5. Step 5: Solve for x
    x = 6,352,906,707.30/90,919.31
  6. Step 6: Final answer
    x = 69,874.12

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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.