Home / 54,553.05-81,829.58-45,999.45

Finding the Fourth Proportional to 54,553.05, 81,829.58 and 45,999.45

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Solution

The fourth proportional to 54,553.05, 81,829.58 and 45,999.45 is: 68,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,553.05 : 81,829.58 = 45,999.45 : x
  2. Step 2: Convert to fraction form
    54,553.05/81,829.58 = 45,999.45/x
  3. Step 3: Cross multiply
    54,553.05x = 81,829.58 × 45,999.45
  4. Step 4: Simplify right side
    54,553.05x = 3,764,115,443.73
  5. Step 5: Solve for x
    x = 3,764,115,443.73/54,553.05
  6. Step 6: Final answer
    x = 68,999.18

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Similar ratio
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1.5x scale

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.