Home / 90,561.18-124,975.82-50,277.54

Finding the Fourth Proportional to 90,561.18, 124,975.82 and 50,277.54

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Solution

The fourth proportional to 90,561.18, 124,975.82 and 50,277.54 is: 69,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,561.18 : 124,975.82 = 50,277.54 : x
  2. Step 2: Convert to fraction form
    90,561.18/124,975.82 = 50,277.54/x
  3. Step 3: Cross multiply
    90,561.18x = 124,975.82 × 50,277.54
  4. Step 4: Simplify right side
    90,561.18x = 6,283,476,789.08
  5. Step 5: Solve for x
    x = 6,283,476,789.08/90,561.18
  6. Step 6: Final answer
    x = 69,383.78

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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.