Home / 66,841.27-100,262.47-53,481.15

Finding the Fourth Proportional to 66,841.27, 100,262.47 and 53,481.15

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Solution

The fourth proportional to 66,841.27, 100,262.47 and 53,481.15 is: 80,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,841.27 : 100,262.47 = 53,481.15 : x
  2. Step 2: Convert to fraction form
    66,841.27/100,262.47 = 53,481.15/x
  3. Step 3: Cross multiply
    66,841.27x = 100,262.47 × 53,481.15
  4. Step 4: Simplify right side
    66,841.27x = 5,362,151,930.03
  5. Step 5: Solve for x
    x = 5,362,151,930.03/66,841.27
  6. Step 6: Final answer
    x = 80,222.18

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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.