Home / 66,589.14-99,890.73-22,200.42

Finding the Fourth Proportional to 66,589.14, 99,890.73 and 22,200.42

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Solution

The fourth proportional to 66,589.14, 99,890.73 and 22,200.42 is: 33,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,589.14 : 99,890.73 = 22,200.42 : x
  2. Step 2: Convert to fraction form
    66,589.14/99,890.73 = 22,200.42/x
  3. Step 3: Cross multiply
    66,589.14x = 99,890.73 × 22,200.42
  4. Step 4: Simplify right side
    66,589.14x = 2,217,616,160.11
  5. Step 5: Solve for x
    x = 2,217,616,160.11/66,589.14
  6. Step 6: Final answer
    x = 33,302.97

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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.