Home / 45,679.47-68,773.08-39,576.21

Finding the Fourth Proportional to 45,679.47, 68,773.08 and 39,576.21

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Solution

The fourth proportional to 45,679.47, 68,773.08 and 39,576.21 is: 59,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.47 : 68,773.08 = 39,576.21 : x
  2. Step 2: Convert to fraction form
    45,679.47/68,773.08 = 39,576.21/x
  3. Step 3: Cross multiply
    45,679.47x = 68,773.08 × 39,576.21
  4. Step 4: Simplify right side
    45,679.47x = 2,721,777,856.43
  5. Step 5: Solve for x
    x = 2,721,777,856.43/45,679.47
  6. Step 6: Final answer
    x = 59,584.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.