Home / 54,610.08-81,788-53,114.88

Finding the Fourth Proportional to 54,610.08, 81,788 and 53,114.88

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Solution

The fourth proportional to 54,610.08, 81,788 and 53,114.88 is: 79,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,610.08 : 81,788 = 53,114.88 : x
  2. Step 2: Convert to fraction form
    54,610.08/81,788 = 53,114.88/x
  3. Step 3: Cross multiply
    54,610.08x = 81,788 × 53,114.88
  4. Step 4: Simplify right side
    54,610.08x = 4,344,159,805.44
  5. Step 5: Solve for x
    x = 4,344,159,805.44/54,610.08
  6. Step 6: Final answer
    x = 79,548.68

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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.