Home / 109,212.72-163,621.32-50,097.84

Finding the Fourth Proportional to 109,212.72, 163,621.32 and 50,097.84

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Solution

The fourth proportional to 109,212.72, 163,621.32 and 50,097.84 is: 75,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,212.72 : 163,621.32 = 50,097.84 : x
  2. Step 2: Convert to fraction form
    109,212.72/163,621.32 = 50,097.84/x
  3. Step 3: Cross multiply
    109,212.72x = 163,621.32 × 50,097.84
  4. Step 4: Simplify right side
    109,212.72x = 8,197,074,709.95
  5. Step 5: Solve for x
    x = 8,197,074,709.95/109,212.72
  6. Step 6: Final answer
    x = 75,056.04

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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.