Home / 90,367.31-124,707.20-50,081.75

Finding the Fourth Proportional to 90,367.31, 124,707.20 and 50,081.75

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Solution

The fourth proportional to 90,367.31, 124,707.20 and 50,081.75 is: 69,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,367.31 : 124,707.20 = 50,081.75 : x
  2. Step 2: Convert to fraction form
    90,367.31/124,707.20 = 50,081.75/x
  3. Step 3: Cross multiply
    90,367.31x = 124,707.20 × 50,081.75
  4. Step 4: Simplify right side
    90,367.31x = 6,245,553,939.66
  5. Step 5: Solve for x
    x = 6,245,553,939.66/90,367.31
  6. Step 6: Final answer
    x = 69,112.98

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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.