Home / 87,722.40-131,590.89-35,103.18

Finding the Fourth Proportional to 87,722.40, 131,590.89 and 35,103.18

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Solution

The fourth proportional to 87,722.40, 131,590.89 and 35,103.18 is: 52,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,722.40 : 131,590.89 = 35,103.18 : x
  2. Step 2: Convert to fraction form
    87,722.40/131,590.89 = 35,103.18/x
  3. Step 3: Cross multiply
    87,722.40x = 131,590.89 × 35,103.18
  4. Step 4: Simplify right side
    87,722.40x = 4,619,258,698.03
  5. Step 5: Solve for x
    x = 4,619,258,698.03/87,722.40
  6. Step 6: Final answer
    x = 52,657.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.