Home / 54,208.11-81,319.91-16,771.38

Finding the Fourth Proportional to 54,208.11, 81,319.91 and 16,771.38

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Solution

The fourth proportional to 54,208.11, 81,319.91 and 16,771.38 is: 25,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,208.11 : 81,319.91 = 16,771.38 : x
  2. Step 2: Convert to fraction form
    54,208.11/81,319.91 = 16,771.38/x
  3. Step 3: Cross multiply
    54,208.11x = 81,319.91 × 16,771.38
  4. Step 4: Simplify right side
    54,208.11x = 1,363,847,154.10
  5. Step 5: Solve for x
    x = 1,363,847,154.10/54,208.11
  6. Step 6: Final answer
    x = 25,159.47

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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.