Home / 51,720.98-71,372.25-29,060.96

Finding the Fourth Proportional to 51,720.98, 71,372.25 and 29,060.96

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Solution

The fourth proportional to 51,720.98, 71,372.25 and 29,060.96 is: 40,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.98 : 71,372.25 = 29,060.96 : x
  2. Step 2: Convert to fraction form
    51,720.98/71,372.25 = 29,060.96/x
  3. Step 3: Cross multiply
    51,720.98x = 71,372.25 × 29,060.96
  4. Step 4: Simplify right side
    51,720.98x = 2,074,145,745.50
  5. Step 5: Solve for x
    x = 2,074,145,745.50/51,720.98
  6. Step 6: Final answer
    x = 40,102.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.