Home / 215,861.56-323,791.26-58,077.16

Finding the Fourth Proportional to 215,861.56, 323,791.26 and 58,077.16

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Solution

The fourth proportional to 215,861.56, 323,791.26 and 58,077.16 is: 87,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,861.56 : 323,791.26 = 58,077.16 : x
  2. Step 2: Convert to fraction form
    215,861.56/323,791.26 = 58,077.16/x
  3. Step 3: Cross multiply
    215,861.56x = 323,791.26 × 58,077.16
  4. Step 4: Simplify right side
    215,861.56x = 18,804,876,813.62
  5. Step 5: Solve for x
    x = 18,804,876,813.62/215,861.56
  6. Step 6: Final answer
    x = 87,115.45

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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.