Home / 90,711.40-136,067.37-27,532.03

Finding the Fourth Proportional to 90,711.40, 136,067.37 and 27,532.03

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Solution

The fourth proportional to 90,711.40, 136,067.37 and 27,532.03 is: 41,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,711.40 : 136,067.37 = 27,532.03 : x
  2. Step 2: Convert to fraction form
    90,711.40/136,067.37 = 27,532.03/x
  3. Step 3: Cross multiply
    90,711.40x = 136,067.37 × 27,532.03
  4. Step 4: Simplify right side
    90,711.40x = 3,746,210,912.86
  5. Step 5: Solve for x
    x = 3,746,210,912.86/90,711.40
  6. Step 6: Final answer
    x = 41,298.13

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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.