Home / 90,759.44-125,246.32-50,472.86

Finding the Fourth Proportional to 90,759.44, 125,246.32 and 50,472.86

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Solution

The fourth proportional to 90,759.44, 125,246.32 and 50,472.86 is: 69,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,759.44 : 125,246.32 = 50,472.86 : x
  2. Step 2: Convert to fraction form
    90,759.44/125,246.32 = 50,472.86/x
  3. Step 3: Cross multiply
    90,759.44x = 125,246.32 × 50,472.86
  4. Step 4: Simplify right side
    90,759.44x = 6,321,539,222.46
  5. Step 5: Solve for x
    x = 6,321,539,222.46/90,759.44
  6. Step 6: Final answer
    x = 69,651.59

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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.