Home / 54,516.78-81,776.72-15,073.89

Finding the Fourth Proportional to 54,516.78, 81,776.72 and 15,073.89

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Solution

The fourth proportional to 54,516.78, 81,776.72 and 15,073.89 is: 22,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,516.78 : 81,776.72 = 15,073.89 : x
  2. Step 2: Convert to fraction form
    54,516.78/81,776.72 = 15,073.89/x
  3. Step 3: Cross multiply
    54,516.78x = 81,776.72 × 15,073.89
  4. Step 4: Simplify right side
    54,516.78x = 1,232,693,206.47
  5. Step 5: Solve for x
    x = 1,232,693,206.47/54,516.78
  6. Step 6: Final answer
    x = 22,611.26

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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.