Home / 54,601.89-81,922.53-19,068.45

Finding the Fourth Proportional to 54,601.89, 81,922.53 and 19,068.45

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Solution

The fourth proportional to 54,601.89, 81,922.53 and 19,068.45 is: 28,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,601.89 : 81,922.53 = 19,068.45 : x
  2. Step 2: Convert to fraction form
    54,601.89/81,922.53 = 19,068.45/x
  3. Step 3: Cross multiply
    54,601.89x = 81,922.53 × 19,068.45
  4. Step 4: Simplify right side
    54,601.89x = 1,562,135,667.18
  5. Step 5: Solve for x
    x = 1,562,135,667.18/54,601.89
  6. Step 6: Final answer
    x = 28,609.55

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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.