Home / 54,151.53-81,219.78-16,712.84

Finding the Fourth Proportional to 54,151.53, 81,219.78 and 16,712.84

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Solution

The fourth proportional to 54,151.53, 81,219.78 and 16,712.84 is: 25,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.53 : 81,219.78 = 16,712.84 : x
  2. Step 2: Convert to fraction form
    54,151.53/81,219.78 = 16,712.84/x
  3. Step 3: Cross multiply
    54,151.53x = 81,219.78 × 16,712.84
  4. Step 4: Simplify right side
    54,151.53x = 1,357,412,781.88
  5. Step 5: Solve for x
    x = 1,357,412,781.88/54,151.53
  6. Step 6: Final answer
    x = 25,066.93

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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.