Home / 86,850.72-130,285.52-27,672.48

Finding the Fourth Proportional to 86,850.72, 130,285.52 and 27,672.48

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Solution

The fourth proportional to 86,850.72, 130,285.52 and 27,672.48 is: 41,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,850.72 : 130,285.52 = 27,672.48 : x
  2. Step 2: Convert to fraction form
    86,850.72/130,285.52 = 27,672.48/x
  3. Step 3: Cross multiply
    86,850.72x = 130,285.52 × 27,672.48
  4. Step 4: Simplify right side
    86,850.72x = 3,605,323,446.49
  5. Step 5: Solve for x
    x = 3,605,323,446.49/86,850.72
  6. Step 6: Final answer
    x = 41,511.73

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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.