Home / 55,105.31-75,962.68-43,147.89

Finding the Fourth Proportional to 55,105.31, 75,962.68 and 43,147.89

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Solution

The fourth proportional to 55,105.31, 75,962.68 and 43,147.89 is: 59,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,105.31 : 75,962.68 = 43,147.89 : x
  2. Step 2: Convert to fraction form
    55,105.31/75,962.68 = 43,147.89/x
  3. Step 3: Cross multiply
    55,105.31x = 75,962.68 × 43,147.89
  4. Step 4: Simplify right side
    55,105.31x = 3,277,629,252.88
  5. Step 5: Solve for x
    x = 3,277,629,252.88/55,105.31
  6. Step 6: Final answer
    x = 59,479.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.