Home / 78,226.94-117,348.62-22,066.61

Finding the Fourth Proportional to 78,226.94, 117,348.62 and 22,066.61

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Solution

The fourth proportional to 78,226.94, 117,348.62 and 22,066.61 is: 33,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,226.94 : 117,348.62 = 22,066.61 : x
  2. Step 2: Convert to fraction form
    78,226.94/117,348.62 = 22,066.61/x
  3. Step 3: Cross multiply
    78,226.94x = 117,348.62 × 22,066.61
  4. Step 4: Simplify right side
    78,226.94x = 2,589,485,534.50
  5. Step 5: Solve for x
    x = 2,589,485,534.50/78,226.94
  6. Step 6: Final answer
    x = 33,102.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.