Home / 104,478.32-156,728.56-33,376.08

Finding the Fourth Proportional to 104,478.32, 156,728.56 and 33,376.08

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Solution

The fourth proportional to 104,478.32, 156,728.56 and 33,376.08 is: 50,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,478.32 : 156,728.56 = 33,376.08 : x
  2. Step 2: Convert to fraction form
    104,478.32/156,728.56 = 33,376.08/x
  3. Step 3: Cross multiply
    104,478.32x = 156,728.56 × 33,376.08
  4. Step 4: Simplify right side
    104,478.32x = 5,230,984,956.84
  5. Step 5: Solve for x
    x = 5,230,984,956.84/104,478.32
  6. Step 6: Final answer
    x = 50,067.66

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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.