Home / 66,196.26-91,351.23-35,981.82

Finding the Fourth Proportional to 66,196.26, 91,351.23 and 35,981.82

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Solution

The fourth proportional to 66,196.26, 91,351.23 and 35,981.82 is: 49,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,196.26 : 91,351.23 = 35,981.82 : x
  2. Step 2: Convert to fraction form
    66,196.26/91,351.23 = 35,981.82/x
  3. Step 3: Cross multiply
    66,196.26x = 91,351.23 × 35,981.82
  4. Step 4: Simplify right side
    66,196.26x = 3,286,983,514.64
  5. Step 5: Solve for x
    x = 3,286,983,514.64/66,196.26
  6. Step 6: Final answer
    x = 49,655.12

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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.