Home / 54,748.80-81,918.40-49,833.60

Finding the Fourth Proportional to 54,748.80, 81,918.40 and 49,833.60

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Solution

The fourth proportional to 54,748.80, 81,918.40 and 49,833.60 is: 74,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,748.80 : 81,918.40 = 49,833.60 : x
  2. Step 2: Convert to fraction form
    54,748.80/81,918.40 = 49,833.60/x
  3. Step 3: Cross multiply
    54,748.80x = 81,918.40 × 49,833.60
  4. Step 4: Simplify right side
    54,748.80x = 4,082,288,778.24
  5. Step 5: Solve for x
    x = 4,082,288,778.24/54,748.80
  6. Step 6: Final answer
    x = 74,563.99

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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.