Home / 90,618.33-125,049.79-50,334.65

Finding the Fourth Proportional to 90,618.33, 125,049.79 and 50,334.65

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Solution

The fourth proportional to 90,618.33, 125,049.79 and 50,334.65 is: 69,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,618.33 : 125,049.79 = 50,334.65 : x
  2. Step 2: Convert to fraction form
    90,618.33/125,049.79 = 50,334.65/x
  3. Step 3: Cross multiply
    90,618.33x = 125,049.79 × 50,334.65
  4. Step 4: Simplify right side
    90,618.33x = 6,294,337,318.83
  5. Step 5: Solve for x
    x = 6,294,337,318.83/90,618.33
  6. Step 6: Final answer
    x = 69,459.87

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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.