Home / 43,687.75-65,545.55-15,607.27

Finding the Fourth Proportional to 43,687.75, 65,545.55 and 15,607.27

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Solution

The fourth proportional to 43,687.75, 65,545.55 and 15,607.27 is: 23,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,687.75 : 65,545.55 = 15,607.27 : x
  2. Step 2: Convert to fraction form
    43,687.75/65,545.55 = 15,607.27/x
  3. Step 3: Cross multiply
    43,687.75x = 65,545.55 × 15,607.27
  4. Step 4: Simplify right side
    43,687.75x = 1,022,987,096.15
  5. Step 5: Solve for x
    x = 1,022,987,096.15/43,687.75
  6. Step 6: Final answer
    x = 23,415.88

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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.