Home / 84,845.72-117,081.18-49,007.64

Finding the Fourth Proportional to 84,845.72, 117,081.18 and 49,007.64

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Solution

The fourth proportional to 84,845.72, 117,081.18 and 49,007.64 is: 67,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,845.72 : 117,081.18 = 49,007.64 : x
  2. Step 2: Convert to fraction form
    84,845.72/117,081.18 = 49,007.64/x
  3. Step 3: Cross multiply
    84,845.72x = 117,081.18 × 49,007.64
  4. Step 4: Simplify right side
    84,845.72x = 5,737,872,320.22
  5. Step 5: Solve for x
    x = 5,737,872,320.22/84,845.72
  6. Step 6: Final answer
    x = 67,627.13

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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.