Home / 61,103.97-84,197.07-49,119.21

Finding the Fourth Proportional to 61,103.97, 84,197.07 and 49,119.21

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Solution

The fourth proportional to 61,103.97, 84,197.07 and 49,119.21 is: 67,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,103.97 : 84,197.07 = 49,119.21 : x
  2. Step 2: Convert to fraction form
    61,103.97/84,197.07 = 49,119.21/x
  3. Step 3: Cross multiply
    61,103.97x = 84,197.07 × 49,119.21
  4. Step 4: Simplify right side
    61,103.97x = 4,135,693,562.71
  5. Step 5: Solve for x
    x = 4,135,693,562.71/61,103.97
  6. Step 6: Final answer
    x = 67,682.89

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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.