Home / 104,974.96-157,553.42-55,090.30

Finding the Fourth Proportional to 104,974.96, 157,553.42 and 55,090.30

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Solution

The fourth proportional to 104,974.96, 157,553.42 and 55,090.30 is: 82,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,974.96 : 157,553.42 = 55,090.30 : x
  2. Step 2: Convert to fraction form
    104,974.96/157,553.42 = 55,090.30/x
  3. Step 3: Cross multiply
    104,974.96x = 157,553.42 × 55,090.30
  4. Step 4: Simplify right side
    104,974.96x = 8,679,665,173.83
  5. Step 5: Solve for x
    x = 8,679,665,173.83/104,974.96
  6. Step 6: Final answer
    x = 82,683.20

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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.