Home / 54,433.40-81,650.10-40,436.60

Finding the Fourth Proportional to 54,433.40, 81,650.10 and 40,436.60

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Solution

The fourth proportional to 54,433.40, 81,650.10 and 40,436.60 is: 60,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.40 : 81,650.10 = 40,436.60 : x
  2. Step 2: Convert to fraction form
    54,433.40/81,650.10 = 40,436.60/x
  3. Step 3: Cross multiply
    54,433.40x = 81,650.10 × 40,436.60
  4. Step 4: Simplify right side
    54,433.40x = 3,301,652,433.66
  5. Step 5: Solve for x
    x = 3,301,652,433.66/54,433.40
  6. Step 6: Final answer
    x = 60,654.90

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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.