Home / 55,456.20-83,184.30-53,998.20

Finding the Fourth Proportional to 55,456.20, 83,184.30 and 53,998.20

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Solution

The fourth proportional to 55,456.20, 83,184.30 and 53,998.20 is: 80,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,456.20 : 83,184.30 = 53,998.20 : x
  2. Step 2: Convert to fraction form
    55,456.20/83,184.30 = 53,998.20/x
  3. Step 3: Cross multiply
    55,456.20x = 83,184.30 × 53,998.20
  4. Step 4: Simplify right side
    55,456.20x = 4,491,802,468.26
  5. Step 5: Solve for x
    x = 4,491,802,468.26/55,456.20
  6. Step 6: Final answer
    x = 80,997.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.