Home / 54,635.82-81,826.70-52,741.68

Finding the Fourth Proportional to 54,635.82, 81,826.70 and 52,741.68

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Solution

The fourth proportional to 54,635.82, 81,826.70 and 52,741.68 is: 78,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.82 : 81,826.70 = 52,741.68 : x
  2. Step 2: Convert to fraction form
    54,635.82/81,826.70 = 52,741.68/x
  3. Step 3: Cross multiply
    54,635.82x = 81,826.70 × 52,741.68
  4. Step 4: Simplify right side
    54,635.82x = 4,315,677,626.86
  5. Step 5: Solve for x
    x = 4,315,677,626.86/54,635.82
  6. Step 6: Final answer
    x = 78,989.89

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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.