Home / 68,508.06-94,540.41-40,208.28

Finding the Fourth Proportional to 68,508.06, 94,540.41 and 40,208.28

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Solution

The fourth proportional to 68,508.06, 94,540.41 and 40,208.28 is: 55,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,508.06 : 94,540.41 = 40,208.28 : x
  2. Step 2: Convert to fraction form
    68,508.06/94,540.41 = 40,208.28/x
  3. Step 3: Cross multiply
    68,508.06x = 94,540.41 × 40,208.28
  4. Step 4: Simplify right side
    68,508.06x = 3,801,307,276.59
  5. Step 5: Solve for x
    x = 3,801,307,276.59/68,508.06
  6. Step 6: Final answer
    x = 55,487.01

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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.