Home / 54,089.30-81,023.77-44,129.54

Finding the Fourth Proportional to 54,089.30, 81,023.77 and 44,129.54

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Solution

The fourth proportional to 54,089.30, 81,023.77 and 44,129.54 is: 66,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.30 : 81,023.77 = 44,129.54 : x
  2. Step 2: Convert to fraction form
    54,089.30/81,023.77 = 44,129.54/x
  3. Step 3: Cross multiply
    54,089.30x = 81,023.77 × 44,129.54
  4. Step 4: Simplify right side
    54,089.30x = 3,575,541,699.17
  5. Step 5: Solve for x
    x = 3,575,541,699.17/54,089.30
  6. Step 6: Final answer
    x = 66,104.42

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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.