Home / 66,196.14-91,351.28-35,981.52

Finding the Fourth Proportional to 66,196.14, 91,351.28 and 35,981.52

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Solution

The fourth proportional to 66,196.14, 91,351.28 and 35,981.52 is: 49,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,196.14 : 91,351.28 = 35,981.52 : x
  2. Step 2: Convert to fraction form
    66,196.14/91,351.28 = 35,981.52/x
  3. Step 3: Cross multiply
    66,196.14x = 91,351.28 × 35,981.52
  4. Step 4: Simplify right side
    66,196.14x = 3,286,957,908.35
  5. Step 5: Solve for x
    x = 3,286,957,908.35/66,196.14
  6. Step 6: Final answer
    x = 49,654.83

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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.