Home / 54,262.74-81,383.12-14,816.56

Finding the Fourth Proportional to 54,262.74, 81,383.12 and 14,816.56

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Solution

The fourth proportional to 54,262.74, 81,383.12 and 14,816.56 is: 22,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262.74 : 81,383.12 = 14,816.56 : x
  2. Step 2: Convert to fraction form
    54,262.74/81,383.12 = 14,816.56/x
  3. Step 3: Cross multiply
    54,262.74x = 81,383.12 × 14,816.56
  4. Step 4: Simplify right side
    54,262.74x = 1,205,817,880.47
  5. Step 5: Solve for x
    x = 1,205,817,880.47/54,262.74
  6. Step 6: Final answer
    x = 22,221.84

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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.