Home / 54,350.10-81,515.73-14,369.43

Finding the Fourth Proportional to 54,350.10, 81,515.73 and 14,369.43

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Solution

The fourth proportional to 54,350.10, 81,515.73 and 14,369.43 is: 21,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350.10 : 81,515.73 = 14,369.43 : x
  2. Step 2: Convert to fraction form
    54,350.10/81,515.73 = 14,369.43/x
  3. Step 3: Cross multiply
    54,350.10x = 81,515.73 × 14,369.43
  4. Step 4: Simplify right side
    54,350.10x = 1,171,334,576.13
  5. Step 5: Solve for x
    x = 1,171,334,576.13/54,350.10
  6. Step 6: Final answer
    x = 21,551.65

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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.