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Finding the Fourth Proportional to 80,441.82, 110,942.82 and 60,343.32

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Solution

The fourth proportional to 80,441.82, 110,942.82 and 60,343.32 is: 83,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441.82 : 110,942.82 = 60,343.32 : x
  2. Step 2: Convert to fraction form
    80,441.82/110,942.82 = 60,343.32/x
  3. Step 3: Cross multiply
    80,441.82x = 110,942.82 × 60,343.32
  4. Step 4: Simplify right side
    80,441.82x = 6,694,658,088.96
  5. Step 5: Solve for x
    x = 6,694,658,088.96/80,441.82
  6. Step 6: Final answer
    x = 83,223.60

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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.