Home / 61,383.38-92,078.96-19,265.12

Finding the Fourth Proportional to 61,383.38, 92,078.96 and 19,265.12

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Solution

The fourth proportional to 61,383.38, 92,078.96 and 19,265.12 is: 28,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,383.38 : 92,078.96 = 19,265.12 : x
  2. Step 2: Convert to fraction form
    61,383.38/92,078.96 = 19,265.12/x
  3. Step 3: Cross multiply
    61,383.38x = 92,078.96 × 19,265.12
  4. Step 4: Simplify right side
    61,383.38x = 1,773,912,213.88
  5. Step 5: Solve for x
    x = 1,773,912,213.88/61,383.38
  6. Step 6: Final answer
    x = 28,898.90

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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.