Home / 93,778.27-140,972.21-75,261.20

Finding the Fourth Proportional to 93,778.27, 140,972.21 and 75,261.20

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Solution

The fourth proportional to 93,778.27, 140,972.21 and 75,261.20 is: 113,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,778.27 : 140,972.21 = 75,261.20 : x
  2. Step 2: Convert to fraction form
    93,778.27/140,972.21 = 75,261.20/x
  3. Step 3: Cross multiply
    93,778.27x = 140,972.21 × 75,261.20
  4. Step 4: Simplify right side
    93,778.27x = 10,609,738,231.84
  5. Step 5: Solve for x
    x = 10,609,738,231.84/93,778.27
  6. Step 6: Final answer
    x = 113,136.43

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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.