Home / 90,327.69-124,656.84-54,517.19

Finding the Fourth Proportional to 90,327.69, 124,656.84 and 54,517.19

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Solution

The fourth proportional to 90,327.69, 124,656.84 and 54,517.19 is: 75,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,327.69 : 124,656.84 = 54,517.19 : x
  2. Step 2: Convert to fraction form
    90,327.69/124,656.84 = 54,517.19/x
  3. Step 3: Cross multiply
    90,327.69x = 124,656.84 × 54,517.19
  4. Step 4: Simplify right side
    90,327.69x = 6,795,940,007.80
  5. Step 5: Solve for x
    x = 6,795,940,007.80/90,327.69
  6. Step 6: Final answer
    x = 75,236.51

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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.