Home / 54,101.36-81,149.00-14,655.57

Finding the Fourth Proportional to 54,101.36, 81,149.00 and 14,655.57

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Solution

The fourth proportional to 54,101.36, 81,149.00 and 14,655.57 is: 21,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,101.36 : 81,149.00 = 14,655.57 : x
  2. Step 2: Convert to fraction form
    54,101.36/81,149.00 = 14,655.57/x
  3. Step 3: Cross multiply
    54,101.36x = 81,149.00 × 14,655.57
  4. Step 4: Simplify right side
    54,101.36x = 1,189,284,776.65
  5. Step 5: Solve for x
    x = 1,189,284,776.65/54,101.36
  6. Step 6: Final answer
    x = 21,982.53

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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.