Home / 54,231.48-81,318.06-16,775.46

Finding the Fourth Proportional to 54,231.48, 81,318.06 and 16,775.46

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Solution

The fourth proportional to 54,231.48, 81,318.06 and 16,775.46 is: 25,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.48 : 81,318.06 = 16,775.46 : x
  2. Step 2: Convert to fraction form
    54,231.48/81,318.06 = 16,775.46/x
  3. Step 3: Cross multiply
    54,231.48x = 81,318.06 × 16,775.46
  4. Step 4: Simplify right side
    54,231.48x = 1,364,147,862.81
  5. Step 5: Solve for x
    x = 1,364,147,862.81/54,231.48
  6. Step 6: Final answer
    x = 25,154.17

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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.