Home / 85,104.97-117,442.57-47,379.22

Finding the Fourth Proportional to 85,104.97, 117,442.57 and 47,379.22

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Solution

The fourth proportional to 85,104.97, 117,442.57 and 47,379.22 is: 65,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,104.97 : 117,442.57 = 47,379.22 : x
  2. Step 2: Convert to fraction form
    85,104.97/117,442.57 = 47,379.22/x
  3. Step 3: Cross multiply
    85,104.97x = 117,442.57 × 47,379.22
  4. Step 4: Simplify right side
    85,104.97x = 5,564,336,537.29
  5. Step 5: Solve for x
    x = 5,564,336,537.29/85,104.97
  6. Step 6: Final answer
    x = 65,382.04

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1.5x scale

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.