Home / 90,546.12-124,947.72-50,257.92

Finding the Fourth Proportional to 90,546.12, 124,947.72 and 50,257.92

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Solution

The fourth proportional to 90,546.12, 124,947.72 and 50,257.92 is: 69,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,546.12 : 124,947.72 = 50,257.92 : x
  2. Step 2: Convert to fraction form
    90,546.12/124,947.72 = 50,257.92/x
  3. Step 3: Cross multiply
    90,546.12x = 124,947.72 × 50,257.92
  4. Step 4: Simplify right side
    90,546.12x = 6,279,612,515.94
  5. Step 5: Solve for x
    x = 6,279,612,515.94/90,546.12
  6. Step 6: Final answer
    x = 69,352.64

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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.