Home / 71,723.06-107,596.88-21,808.16

Finding the Fourth Proportional to 71,723.06, 107,596.88 and 21,808.16

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Solution

The fourth proportional to 71,723.06, 107,596.88 and 21,808.16 is: 32,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,723.06 : 107,596.88 = 21,808.16 : x
  2. Step 2: Convert to fraction form
    71,723.06/107,596.88 = 21,808.16/x
  3. Step 3: Cross multiply
    71,723.06x = 107,596.88 × 21,808.16
  4. Step 4: Simplify right side
    71,723.06x = 2,346,489,974.54
  5. Step 5: Solve for x
    x = 2,346,489,974.54/71,723.06
  6. Step 6: Final answer
    x = 32,715.98

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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.