Home / 87,913.55-131,876.40-35,323.09

Finding the Fourth Proportional to 87,913.55, 131,876.40 and 35,323.09

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Solution

The fourth proportional to 87,913.55, 131,876.40 and 35,323.09 is: 52,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,913.55 : 131,876.40 = 35,323.09 : x
  2. Step 2: Convert to fraction form
    87,913.55/131,876.40 = 35,323.09/x
  3. Step 3: Cross multiply
    87,913.55x = 131,876.40 × 35,323.09
  4. Step 4: Simplify right side
    87,913.55x = 4,658,281,748.85
  5. Step 5: Solve for x
    x = 4,658,281,748.85/87,913.55
  6. Step 6: Final answer
    x = 52,987.07

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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.