Home / 87,883.30-121,270.93-52,067.53

Finding the Fourth Proportional to 87,883.30, 121,270.93 and 52,067.53

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Solution

The fourth proportional to 87,883.30, 121,270.93 and 52,067.53 is: 71,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,883.30 : 121,270.93 = 52,067.53 : x
  2. Step 2: Convert to fraction form
    87,883.30/121,270.93 = 52,067.53/x
  3. Step 3: Cross multiply
    87,883.30x = 121,270.93 × 52,067.53
  4. Step 4: Simplify right side
    87,883.30x = 6,314,277,785.90
  5. Step 5: Solve for x
    x = 6,314,277,785.90/87,883.30
  6. Step 6: Final answer
    x = 71,848.44

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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.