Home / 54,099.64-81,158.70-16,658.96

Finding the Fourth Proportional to 54,099.64, 81,158.70 and 16,658.96

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Solution

The fourth proportional to 54,099.64, 81,158.70 and 16,658.96 is: 24,991.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,099.64 : 81,158.70 = 16,658.96 : x
  2. Step 2: Convert to fraction form
    54,099.64/81,158.70 = 16,658.96/x
  3. Step 3: Cross multiply
    54,099.64x = 81,158.70 × 16,658.96
  4. Step 4: Simplify right side
    54,099.64x = 1,352,019,536.95
  5. Step 5: Solve for x
    x = 1,352,019,536.95/54,099.64
  6. Step 6: Final answer
    x = 24,991.29

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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.