Home / 45,062.56-67,579.68-18,760.48

Finding the Fourth Proportional to 45,062.56, 67,579.68 and 18,760.48

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Solution

The fourth proportional to 45,062.56, 67,579.68 and 18,760.48 is: 28,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,062.56 : 67,579.68 = 18,760.48 : x
  2. Step 2: Convert to fraction form
    45,062.56/67,579.68 = 18,760.48/x
  3. Step 3: Cross multiply
    45,062.56x = 67,579.68 × 18,760.48
  4. Step 4: Simplify right side
    45,062.56x = 1,267,827,235.05
  5. Step 5: Solve for x
    x = 1,267,827,235.05/45,062.56
  6. Step 6: Final answer
    x = 28,134.82

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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.