Home / 96,108.21-132,691.74-86,019.16

Finding the Fourth Proportional to 96,108.21, 132,691.74 and 86,019.16

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Solution

The fourth proportional to 96,108.21, 132,691.74 and 86,019.16 is: 118,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,108.21 : 132,691.74 = 86,019.16 : x
  2. Step 2: Convert to fraction form
    96,108.21/132,691.74 = 86,019.16/x
  3. Step 3: Cross multiply
    96,108.21x = 132,691.74 × 86,019.16
  4. Step 4: Simplify right side
    96,108.21x = 11,414,030,920.18
  5. Step 5: Solve for x
    x = 11,414,030,920.18/96,108.21
  6. Step 6: Final answer
    x = 118,762.29

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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.