Home / 54,209.13-81,269.87-22,643.38

Finding the Fourth Proportional to 54,209.13, 81,269.87 and 22,643.38

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Solution

The fourth proportional to 54,209.13, 81,269.87 and 22,643.38 is: 33,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,209.13 : 81,269.87 = 22,643.38 : x
  2. Step 2: Convert to fraction form
    54,209.13/81,269.87 = 22,643.38/x
  3. Step 3: Cross multiply
    54,209.13x = 81,269.87 × 22,643.38
  4. Step 4: Simplify right side
    54,209.13x = 1,840,224,402.39
  5. Step 5: Solve for x
    x = 1,840,224,402.39/54,209.13
  6. Step 6: Final answer
    x = 33,946.76

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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.