Home / 68,179.08-94,087.08-39,879.24

Finding the Fourth Proportional to 68,179.08, 94,087.08 and 39,879.24

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Solution

The fourth proportional to 68,179.08, 94,087.08 and 39,879.24 is: 55,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,179.08 : 94,087.08 = 39,879.24 : x
  2. Step 2: Convert to fraction form
    68,179.08/94,087.08 = 39,879.24/x
  3. Step 3: Cross multiply
    68,179.08x = 94,087.08 × 39,879.24
  4. Step 4: Simplify right side
    68,179.08x = 3,752,121,244.22
  5. Step 5: Solve for x
    x = 3,752,121,244.22/68,179.08
  6. Step 6: Final answer
    x = 55,033.32

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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.