Home / 73,647.90-110,520.30-40,391.33

Finding the Fourth Proportional to 73,647.90, 110,520.30 and 40,391.33

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Solution

The fourth proportional to 73,647.90, 110,520.30 and 40,391.33 is: 60,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,647.90 : 110,520.30 = 40,391.33 : x
  2. Step 2: Convert to fraction form
    73,647.90/110,520.30 = 40,391.33/x
  3. Step 3: Cross multiply
    73,647.90x = 110,520.30 × 40,391.33
  4. Step 4: Simplify right side
    73,647.90x = 4,464,061,356.40
  5. Step 5: Solve for x
    x = 4,464,061,356.40/73,647.90
  6. Step 6: Final answer
    x = 60,613.56

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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.