Home / 90,717.52-136,072.50-27,535.36

Finding the Fourth Proportional to 90,717.52, 136,072.50 and 27,535.36

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Solution

The fourth proportional to 90,717.52, 136,072.50 and 27,535.36 is: 41,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717.52 : 136,072.50 = 27,535.36 : x
  2. Step 2: Convert to fraction form
    90,717.52/136,072.50 = 27,535.36/x
  3. Step 3: Cross multiply
    90,717.52x = 136,072.50 × 27,535.36
  4. Step 4: Simplify right side
    90,717.52x = 3,746,805,273.60
  5. Step 5: Solve for x
    x = 3,746,805,273.60/90,717.52
  6. Step 6: Final answer
    x = 41,301.89

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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.