Home / 82,914.60-124,389.61-26,757.90

Finding the Fourth Proportional to 82,914.60, 124,389.61 and 26,757.90

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Solution

The fourth proportional to 82,914.60, 124,389.61 and 26,757.90 is: 40,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,914.60 : 124,389.61 = 26,757.90 : x
  2. Step 2: Convert to fraction form
    82,914.60/124,389.61 = 26,757.90/x
  3. Step 3: Cross multiply
    82,914.60x = 124,389.61 × 26,757.90
  4. Step 4: Simplify right side
    82,914.60x = 3,328,404,745.42
  5. Step 5: Solve for x
    x = 3,328,404,745.42/82,914.60
  6. Step 6: Final answer
    x = 40,142.57

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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.