Home / 54,412.72-81,609.64-14,960.44

Finding the Fourth Proportional to 54,412.72, 81,609.64 and 14,960.44

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Solution

The fourth proportional to 54,412.72, 81,609.64 and 14,960.44 is: 22,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.72 : 81,609.64 = 14,960.44 : x
  2. Step 2: Convert to fraction form
    54,412.72/81,609.64 = 14,960.44/x
  3. Step 3: Cross multiply
    54,412.72x = 81,609.64 × 14,960.44
  4. Step 4: Simplify right side
    54,412.72x = 1,220,916,122.64
  5. Step 5: Solve for x
    x = 1,220,916,122.64/54,412.72
  6. Step 6: Final answer
    x = 22,438.06

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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.