Home / 54,114.72-81,168.66-16,671.30

Finding the Fourth Proportional to 54,114.72, 81,168.66 and 16,671.30

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Solution

The fourth proportional to 54,114.72, 81,168.66 and 16,671.30 is: 25,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.72 : 81,168.66 = 16,671.30 : x
  2. Step 2: Convert to fraction form
    54,114.72/81,168.66 = 16,671.30/x
  3. Step 3: Cross multiply
    54,114.72x = 81,168.66 × 16,671.30
  4. Step 4: Simplify right side
    54,114.72x = 1,353,187,081.46
  5. Step 5: Solve for x
    x = 1,353,187,081.46/54,114.72
  6. Step 6: Final answer
    x = 25,005.90

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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.