Home / 108,741.96-162,932.85-76,995.27

Finding the Fourth Proportional to 108,741.96, 162,932.85 and 76,995.27

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Solution

The fourth proportional to 108,741.96, 162,932.85 and 76,995.27 is: 115,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,741.96 : 162,932.85 = 76,995.27 : x
  2. Step 2: Convert to fraction form
    108,741.96/162,932.85 = 76,995.27/x
  3. Step 3: Cross multiply
    108,741.96x = 162,932.85 × 76,995.27
  4. Step 4: Simplify right side
    108,741.96x = 12,545,058,777.62
  5. Step 5: Solve for x
    x = 12,545,058,777.62/108,741.96
  6. Step 6: Final answer
    x = 115,365.39

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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.