Home / 84,741.37-127,163.96-34,131.12

Finding the Fourth Proportional to 84,741.37, 127,163.96 and 34,131.12

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Solution

The fourth proportional to 84,741.37, 127,163.96 and 34,131.12 is: 51,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,741.37 : 127,163.96 = 34,131.12 : x
  2. Step 2: Convert to fraction form
    84,741.37/127,163.96 = 34,131.12/x
  3. Step 3: Cross multiply
    84,741.37x = 127,163.96 × 34,131.12
  4. Step 4: Simplify right side
    84,741.37x = 4,340,248,378.44
  5. Step 5: Solve for x
    x = 4,340,248,378.44/84,741.37
  6. Step 6: Final answer
    x = 51,217.59

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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.