Home / 66,106.92-99,198.18-65,572.32

Finding the Fourth Proportional to 66,106.92, 99,198.18 and 65,572.32

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Solution

The fourth proportional to 66,106.92, 99,198.18 and 65,572.32 is: 98,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,106.92 : 99,198.18 = 65,572.32 : x
  2. Step 2: Convert to fraction form
    66,106.92/99,198.18 = 65,572.32/x
  3. Step 3: Cross multiply
    66,106.92x = 99,198.18 × 65,572.32
  4. Step 4: Simplify right side
    66,106.92x = 6,504,654,802.38
  5. Step 5: Solve for x
    x = 6,504,654,802.38/66,106.92
  6. Step 6: Final answer
    x = 98,395.97

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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.