Home / 84,827.79-117,028.80-49,011.21

Finding the Fourth Proportional to 84,827.79, 117,028.80 and 49,011.21

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Solution

The fourth proportional to 84,827.79, 117,028.80 and 49,011.21 is: 67,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.79 : 117,028.80 = 49,011.21 : x
  2. Step 2: Convert to fraction form
    84,827.79/117,028.80 = 49,011.21/x
  3. Step 3: Cross multiply
    84,827.79x = 117,028.80 × 49,011.21
  4. Step 4: Simplify right side
    84,827.79x = 5,735,723,092.85
  5. Step 5: Solve for x
    x = 5,735,723,092.85/84,827.79
  6. Step 6: Final answer
    x = 67,616.09

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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.