Home / 54,372.97-81,518.42-35,657.72

Finding the Fourth Proportional to 54,372.97, 81,518.42 and 35,657.72

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Solution

The fourth proportional to 54,372.97, 81,518.42 and 35,657.72 is: 53,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,372.97 : 81,518.42 = 35,657.72 : x
  2. Step 2: Convert to fraction form
    54,372.97/81,518.42 = 35,657.72/x
  3. Step 3: Cross multiply
    54,372.97x = 81,518.42 × 35,657.72
  4. Step 4: Simplify right side
    54,372.97x = 2,906,760,848.73
  5. Step 5: Solve for x
    x = 2,906,760,848.73/54,372.97
  6. Step 6: Final answer
    x = 53,459.67

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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.