Home / 107,883.62-148,809.92-71,584.28

Finding the Fourth Proportional to 107,883.62, 148,809.92 and 71,584.28

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Solution

The fourth proportional to 107,883.62, 148,809.92 and 71,584.28 is: 98,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,883.62 : 148,809.92 = 71,584.28 : x
  2. Step 2: Convert to fraction form
    107,883.62/148,809.92 = 71,584.28/x
  3. Step 3: Cross multiply
    107,883.62x = 148,809.92 × 71,584.28
  4. Step 4: Simplify right side
    107,883.62x = 10,652,449,878.09
  5. Step 5: Solve for x
    x = 10,652,449,878.09/107,883.62
  6. Step 6: Final answer
    x = 98,740.20

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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.