Home / 87,592.40-131,388.60-32,181.20

Finding the Fourth Proportional to 87,592.40, 131,388.60 and 32,181.20

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Solution

The fourth proportional to 87,592.40, 131,388.60 and 32,181.20 is: 48,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.40 : 131,388.60 = 32,181.20 : x
  2. Step 2: Convert to fraction form
    87,592.40/131,388.60 = 32,181.20/x
  3. Step 3: Cross multiply
    87,592.40x = 131,388.60 × 32,181.20
  4. Step 4: Simplify right side
    87,592.40x = 4,228,242,814.32
  5. Step 5: Solve for x
    x = 4,228,242,814.32/87,592.40
  6. Step 6: Final answer
    x = 48,271.80

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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.