Home / 85,578.11-118,097.26-47,336.97

Finding the Fourth Proportional to 85,578.11, 118,097.26 and 47,336.97

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Solution

The fourth proportional to 85,578.11, 118,097.26 and 47,336.97 is: 65,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,578.11 : 118,097.26 = 47,336.97 : x
  2. Step 2: Convert to fraction form
    85,578.11/118,097.26 = 47,336.97/x
  3. Step 3: Cross multiply
    85,578.11x = 118,097.26 × 47,336.97
  4. Step 4: Simplify right side
    85,578.11x = 5,590,366,453.70
  5. Step 5: Solve for x
    x = 5,590,366,453.70/85,578.11
  6. Step 6: Final answer
    x = 65,324.72

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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.