Home / 54,105.68-81,158.54-35,503.44

Finding the Fourth Proportional to 54,105.68, 81,158.54 and 35,503.44

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Solution

The fourth proportional to 54,105.68, 81,158.54 and 35,503.44 is: 53,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,105.68 : 81,158.54 = 35,503.44 : x
  2. Step 2: Convert to fraction form
    54,105.68/81,158.54 = 35,503.44/x
  3. Step 3: Cross multiply
    54,105.68x = 81,158.54 × 35,503.44
  4. Step 4: Simplify right side
    54,105.68x = 2,881,407,355.38
  5. Step 5: Solve for x
    x = 2,881,407,355.38/54,105.68
  6. Step 6: Final answer
    x = 53,255.17

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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.