Home / 90,934.76-136,422.48-27,760.49

Finding the Fourth Proportional to 90,934.76, 136,422.48 and 27,760.49

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Solution

The fourth proportional to 90,934.76, 136,422.48 and 27,760.49 is: 41,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,934.76 : 136,422.48 = 27,760.49 : x
  2. Step 2: Convert to fraction form
    90,934.76/136,422.48 = 27,760.49/x
  3. Step 3: Cross multiply
    90,934.76x = 136,422.48 × 27,760.49
  4. Step 4: Simplify right side
    90,934.76x = 3,787,154,209.70
  5. Step 5: Solve for x
    x = 3,787,154,209.70/90,934.76
  6. Step 6: Final answer
    x = 41,646.94

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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.