Home / 66,891.13-100,336.69-25,338.13

Finding the Fourth Proportional to 66,891.13, 100,336.69 and 25,338.13

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Solution

The fourth proportional to 66,891.13, 100,336.69 and 25,338.13 is: 38,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,891.13 : 100,336.69 = 25,338.13 : x
  2. Step 2: Convert to fraction form
    66,891.13/100,336.69 = 25,338.13/x
  3. Step 3: Cross multiply
    66,891.13x = 100,336.69 × 25,338.13
  4. Step 4: Simplify right side
    66,891.13x = 2,542,344,094.99
  5. Step 5: Solve for x
    x = 2,542,344,094.99/66,891.13
  6. Step 6: Final answer
    x = 38,007.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.