Home / 52,136.80-71,990.20-48,156.48

Finding the Fourth Proportional to 52,136.80, 71,990.20 and 48,156.48

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Solution

The fourth proportional to 52,136.80, 71,990.20 and 48,156.48 is: 66,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,136.80 : 71,990.20 = 48,156.48 : x
  2. Step 2: Convert to fraction form
    52,136.80/71,990.20 = 48,156.48/x
  3. Step 3: Cross multiply
    52,136.80x = 71,990.20 × 48,156.48
  4. Step 4: Simplify right side
    52,136.80x = 3,466,794,626.50
  5. Step 5: Solve for x
    x = 3,466,794,626.50/52,136.80
  6. Step 6: Final answer
    x = 66,494.20

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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.