Home / 53,344.40-79,999.68-22,172

Finding the Fourth Proportional to 53,344.40, 79,999.68 and 22,172

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Solution

The fourth proportional to 53,344.40, 79,999.68 and 22,172 is: 33,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,344.40 : 79,999.68 = 22,172 : x
  2. Step 2: Convert to fraction form
    53,344.40/79,999.68 = 22,172/x
  3. Step 3: Cross multiply
    53,344.40x = 79,999.68 × 22,172
  4. Step 4: Simplify right side
    53,344.40x = 1,773,752,904.96
  5. Step 5: Solve for x
    x = 1,773,752,904.96/53,344.40
  6. Step 6: Final answer
    x = 33,250.97

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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.