Home / 66,310.12-91,540.56-51,944.37

Finding the Fourth Proportional to 66,310.12, 91,540.56 and 51,944.37

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Solution

The fourth proportional to 66,310.12, 91,540.56 and 51,944.37 is: 71,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,310.12 : 91,540.56 = 51,944.37 : x
  2. Step 2: Convert to fraction form
    66,310.12/91,540.56 = 51,944.37/x
  3. Step 3: Cross multiply
    66,310.12x = 91,540.56 × 51,944.37
  4. Step 4: Simplify right side
    66,310.12x = 4,755,016,718.65
  5. Step 5: Solve for x
    x = 4,755,016,718.65/66,310.12
  6. Step 6: Final answer
    x = 71,708.76

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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.