Home / 45,027.87-67,541.85-11,747.91

Finding the Fourth Proportional to 45,027.87, 67,541.85 and 11,747.91

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Solution

The fourth proportional to 45,027.87, 67,541.85 and 11,747.91 is: 17,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,027.87 : 67,541.85 = 11,747.91 : x
  2. Step 2: Convert to fraction form
    45,027.87/67,541.85 = 11,747.91/x
  3. Step 3: Cross multiply
    45,027.87x = 67,541.85 × 11,747.91
  4. Step 4: Simplify right side
    45,027.87x = 793,475,575.03
  5. Step 5: Solve for x
    x = 793,475,575.03/45,027.87
  6. Step 6: Final answer
    x = 17,621.88

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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.