Home / 71,968.23-107,952.32-25,221.11

Finding the Fourth Proportional to 71,968.23, 107,952.32 and 25,221.11

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Solution

The fourth proportional to 71,968.23, 107,952.32 and 25,221.11 is: 37,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,968.23 : 107,952.32 = 25,221.11 : x
  2. Step 2: Convert to fraction form
    71,968.23/107,952.32 = 25,221.11/x
  3. Step 3: Cross multiply
    71,968.23x = 107,952.32 × 25,221.11
  4. Step 4: Simplify right side
    71,968.23x = 2,722,676,860.77
  5. Step 5: Solve for x
    x = 2,722,676,860.77/71,968.23
  6. Step 6: Final answer
    x = 37,831.65

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1.5x scale

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.