Home / 82,699.20-124,072.38-40,591.94

Finding the Fourth Proportional to 82,699.20, 124,072.38 and 40,591.94

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Solution

The fourth proportional to 82,699.20, 124,072.38 and 40,591.94 is: 60,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,699.20 : 124,072.38 = 40,591.94 : x
  2. Step 2: Convert to fraction form
    82,699.20/124,072.38 = 40,591.94/x
  3. Step 3: Cross multiply
    82,699.20x = 124,072.38 × 40,591.94
  4. Step 4: Simplify right side
    82,699.20x = 5,036,337,984.26
  5. Step 5: Solve for x
    x = 5,036,337,984.26/82,699.20
  6. Step 6: Final answer
    x = 60,899.48

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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.