Home / 86,171.94-118,913.42-49,867.63

Finding the Fourth Proportional to 86,171.94, 118,913.42 and 49,867.63

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Solution

The fourth proportional to 86,171.94, 118,913.42 and 49,867.63 is: 68,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,171.94 : 118,913.42 = 49,867.63 : x
  2. Step 2: Convert to fraction form
    86,171.94/118,913.42 = 49,867.63/x
  3. Step 3: Cross multiply
    86,171.94x = 118,913.42 × 49,867.63
  4. Step 4: Simplify right side
    86,171.94x = 5,929,930,257.98
  5. Step 5: Solve for x
    x = 5,929,930,257.98/86,171.94
  6. Step 6: Final answer
    x = 68,815.10

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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.