Home / 71,350.12-106,886.94-54,899.56

Finding the Fourth Proportional to 71,350.12, 106,886.94 and 54,899.56

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Solution

The fourth proportional to 71,350.12, 106,886.94 and 54,899.56 is: 82,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,350.12 : 106,886.94 = 54,899.56 : x
  2. Step 2: Convert to fraction form
    71,350.12/106,886.94 = 54,899.56/x
  3. Step 3: Cross multiply
    71,350.12x = 106,886.94 × 54,899.56
  4. Step 4: Simplify right side
    71,350.12x = 5,868,045,975.75
  5. Step 5: Solve for x
    x = 5,868,045,975.75/71,350.12
  6. Step 6: Final answer
    x = 82,242.97

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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.