Home / 67,785.36-101,610.34-23,383.78

Finding the Fourth Proportional to 67,785.36, 101,610.34 and 23,383.78

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Solution

The fourth proportional to 67,785.36, 101,610.34 and 23,383.78 is: 35,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.36 : 101,610.34 = 23,383.78 : x
  2. Step 2: Convert to fraction form
    67,785.36/101,610.34 = 23,383.78/x
  3. Step 3: Cross multiply
    67,785.36x = 101,610.34 × 23,383.78
  4. Step 4: Simplify right side
    67,785.36x = 2,376,033,836.29
  5. Step 5: Solve for x
    x = 2,376,033,836.29/67,785.36
  6. Step 6: Final answer
    x = 35,052.32

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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.