Home / 63,175.20-87,181.20-34,881.60

Finding the Fourth Proportional to 63,175.20, 87,181.20 and 34,881.60

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Solution

The fourth proportional to 63,175.20, 87,181.20 and 34,881.60 is: 48,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,175.20 : 87,181.20 = 34,881.60 : x
  2. Step 2: Convert to fraction form
    63,175.20/87,181.20 = 34,881.60/x
  3. Step 3: Cross multiply
    63,175.20x = 87,181.20 × 34,881.60
  4. Step 4: Simplify right side
    63,175.20x = 3,041,019,745.92
  5. Step 5: Solve for x
    x = 3,041,019,745.92/63,175.20
  6. Step 6: Final answer
    x = 48,136.29

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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.