Home / 90,049.56-124,268.40-50,305.56

Finding the Fourth Proportional to 90,049.56, 124,268.40 and 50,305.56

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Solution

The fourth proportional to 90,049.56, 124,268.40 and 50,305.56 is: 69,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,049.56 : 124,268.40 = 50,305.56 : x
  2. Step 2: Convert to fraction form
    90,049.56/124,268.40 = 50,305.56/x
  3. Step 3: Cross multiply
    90,049.56x = 124,268.40 × 50,305.56
  4. Step 4: Simplify right side
    90,049.56x = 6,251,391,452.30
  5. Step 5: Solve for x
    x = 6,251,391,452.30/90,049.56
  6. Step 6: Final answer
    x = 69,421.68

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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.