Home / 68,786.63-94,815.83-54,227.07

Finding the Fourth Proportional to 68,786.63, 94,815.83 and 54,227.07

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Solution

The fourth proportional to 68,786.63, 94,815.83 and 54,227.07 is: 74,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,786.63 : 94,815.83 = 54,227.07 : x
  2. Step 2: Convert to fraction form
    68,786.63/94,815.83 = 54,227.07/x
  3. Step 3: Cross multiply
    68,786.63x = 94,815.83 × 54,227.07
  4. Step 4: Simplify right side
    68,786.63x = 5,141,584,379.38
  5. Step 5: Solve for x
    x = 5,141,584,379.38/68,786.63
  6. Step 6: Final answer
    x = 74,746.86

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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.