Home / 54,765.35-82,148.03-21,501.08

Finding the Fourth Proportional to 54,765.35, 82,148.03 and 21,501.08

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Solution

The fourth proportional to 54,765.35, 82,148.03 and 21,501.08 is: 32,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765.35 : 82,148.03 = 21,501.08 : x
  2. Step 2: Convert to fraction form
    54,765.35/82,148.03 = 21,501.08/x
  3. Step 3: Cross multiply
    54,765.35x = 82,148.03 × 21,501.08
  4. Step 4: Simplify right side
    54,765.35x = 1,766,270,846.63
  5. Step 5: Solve for x
    x = 1,766,270,846.63/54,765.35
  6. Step 6: Final answer
    x = 32,251.62

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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.