Home / 82,165.89-123,273.60-34,756.59

Finding the Fourth Proportional to 82,165.89, 123,273.60 and 34,756.59

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Solution

The fourth proportional to 82,165.89, 123,273.60 and 34,756.59 is: 52,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,165.89 : 123,273.60 = 34,756.59 : x
  2. Step 2: Convert to fraction form
    82,165.89/123,273.60 = 34,756.59/x
  3. Step 3: Cross multiply
    82,165.89x = 123,273.60 × 34,756.59
  4. Step 4: Simplify right side
    82,165.89x = 4,284,570,304.96
  5. Step 5: Solve for x
    x = 4,284,570,304.96/82,165.89
  6. Step 6: Final answer
    x = 52,145.36

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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.