Home / 107,067.30-147,755.79-59,325.90

Finding the Fourth Proportional to 107,067.30, 147,755.79 and 59,325.90

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Solution

The fourth proportional to 107,067.30, 147,755.79 and 59,325.90 is: 81,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,067.30 : 147,755.79 = 59,325.90 : x
  2. Step 2: Convert to fraction form
    107,067.30/147,755.79 = 59,325.90/x
  3. Step 3: Cross multiply
    107,067.30x = 147,755.79 × 59,325.90
  4. Step 4: Simplify right side
    107,067.30x = 8,765,745,221.96
  5. Step 5: Solve for x
    x = 8,765,745,221.96/107,067.30
  6. Step 6: Final answer
    x = 81,871.36

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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.