Home / 98,743.11-148,045.55-36,396.87

Finding the Fourth Proportional to 98,743.11, 148,045.55 and 36,396.87

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Solution

The fourth proportional to 98,743.11, 148,045.55 and 36,396.87 is: 54,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.11 : 148,045.55 = 36,396.87 : x
  2. Step 2: Convert to fraction form
    98,743.11/148,045.55 = 36,396.87/x
  3. Step 3: Cross multiply
    98,743.11x = 148,045.55 × 36,396.87
  4. Step 4: Simplify right side
    98,743.11x = 5,388,394,455.44
  5. Step 5: Solve for x
    x = 5,388,394,455.44/98,743.11
  6. Step 6: Final answer
    x = 54,569.83

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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.