Home / 66,626.28-99,906.30-22,237.80

Finding the Fourth Proportional to 66,626.28, 99,906.30 and 22,237.80

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Solution

The fourth proportional to 66,626.28, 99,906.30 and 22,237.80 is: 33,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,626.28 : 99,906.30 = 22,237.80 : x
  2. Step 2: Convert to fraction form
    66,626.28/99,906.30 = 22,237.80/x
  3. Step 3: Cross multiply
    66,626.28x = 99,906.30 × 22,237.80
  4. Step 4: Simplify right side
    66,626.28x = 2,221,696,318.14
  5. Step 5: Solve for x
    x = 2,221,696,318.14/66,626.28
  6. Step 6: Final answer
    x = 33,345.65

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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.