Home / 107,796.90-148,761.36-61,863.92

Finding the Fourth Proportional to 107,796.90, 148,761.36 and 61,863.92

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Solution

The fourth proportional to 107,796.90, 148,761.36 and 61,863.92 is: 85,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,796.90 : 148,761.36 = 61,863.92 : x
  2. Step 2: Convert to fraction form
    107,796.90/148,761.36 = 61,863.92/x
  3. Step 3: Cross multiply
    107,796.90x = 148,761.36 × 61,863.92
  4. Step 4: Simplify right side
    107,796.90x = 9,202,960,874.13
  5. Step 5: Solve for x
    x = 9,202,960,874.13/107,796.90
  6. Step 6: Final answer
    x = 85,373.15

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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.