Home / 65,918.85-90,942.91-48,732.49

Finding the Fourth Proportional to 65,918.85, 90,942.91 and 48,732.49

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Solution

The fourth proportional to 65,918.85, 90,942.91 and 48,732.49 is: 67,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.85 : 90,942.91 = 48,732.49 : x
  2. Step 2: Convert to fraction form
    65,918.85/90,942.91 = 48,732.49/x
  3. Step 3: Cross multiply
    65,918.85x = 90,942.91 × 48,732.49
  4. Step 4: Simplify right side
    65,918.85x = 4,431,874,452.15
  5. Step 5: Solve for x
    x = 4,431,874,452.15/65,918.85
  6. Step 6: Final answer
    x = 67,232.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.