Home / 109,221.75-163,832.36-62,441.82

Finding the Fourth Proportional to 109,221.75, 163,832.36 and 62,441.82

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Solution

The fourth proportional to 109,221.75, 163,832.36 and 62,441.82 is: 93,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,221.75 : 163,832.36 = 62,441.82 : x
  2. Step 2: Convert to fraction form
    109,221.75/163,832.36 = 62,441.82/x
  3. Step 3: Cross multiply
    109,221.75x = 163,832.36 × 62,441.82
  4. Step 4: Simplify right side
    109,221.75x = 10,229,990,421.09
  5. Step 5: Solve for x
    x = 10,229,990,421.09/109,221.75
  6. Step 6: Final answer
    x = 93,662.58

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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.