Home / 66,148.96-91,286.56-35,934.88

Finding the Fourth Proportional to 66,148.96, 91,286.56 and 35,934.88

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Solution

The fourth proportional to 66,148.96, 91,286.56 and 35,934.88 is: 49,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,148.96 : 91,286.56 = 35,934.88 : x
  2. Step 2: Convert to fraction form
    66,148.96/91,286.56 = 35,934.88/x
  3. Step 3: Cross multiply
    66,148.96x = 91,286.56 × 35,934.88
  4. Step 4: Simplify right side
    66,148.96x = 3,280,371,579.21
  5. Step 5: Solve for x
    x = 3,280,371,579.21/66,148.96
  6. Step 6: Final answer
    x = 49,590.68

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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.