Home / 66,478.44-99,718.53-22,105.19

Finding the Fourth Proportional to 66,478.44, 99,718.53 and 22,105.19

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Solution

The fourth proportional to 66,478.44, 99,718.53 and 22,105.19 is: 33,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,478.44 : 99,718.53 = 22,105.19 : x
  2. Step 2: Convert to fraction form
    66,478.44/99,718.53 = 22,105.19/x
  3. Step 3: Cross multiply
    66,478.44x = 99,718.53 × 22,105.19
  4. Step 4: Simplify right side
    66,478.44x = 2,204,297,052.17
  5. Step 5: Solve for x
    x = 2,204,297,052.17/66,478.44
  6. Step 6: Final answer
    x = 33,158.07

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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.