Home / 54,228.12-81,346.07-16,783.38

Finding the Fourth Proportional to 54,228.12, 81,346.07 and 16,783.38

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Solution

The fourth proportional to 54,228.12, 81,346.07 and 16,783.38 is: 25,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.12 : 81,346.07 = 16,783.38 : x
  2. Step 2: Convert to fraction form
    54,228.12/81,346.07 = 16,783.38/x
  3. Step 3: Cross multiply
    54,228.12x = 81,346.07 × 16,783.38
  4. Step 4: Simplify right side
    54,228.12x = 1,365,261,920.40
  5. Step 5: Solve for x
    x = 1,365,261,920.40/54,228.12
  6. Step 6: Final answer
    x = 25,176.27

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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.