Home / 96,107.21-132,690.35-86,018.15

Finding the Fourth Proportional to 96,107.21, 132,690.35 and 86,018.15

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Solution

The fourth proportional to 96,107.21, 132,690.35 and 86,018.15 is: 118,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,107.21 : 132,690.35 = 86,018.15 : x
  2. Step 2: Convert to fraction form
    96,107.21/132,690.35 = 86,018.15/x
  3. Step 3: Cross multiply
    96,107.21x = 132,690.35 × 86,018.15
  4. Step 4: Simplify right side
    96,107.21x = 11,413,778,976.62
  5. Step 5: Solve for x
    x = 11,413,778,976.62/96,107.21
  6. Step 6: Final answer
    x = 118,760.90

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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.