Home / 108,537.21-162,986.24-73,225.70

Finding the Fourth Proportional to 108,537.21, 162,986.24 and 73,225.70

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Solution

The fourth proportional to 108,537.21, 162,986.24 and 73,225.70 is: 109,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,537.21 : 162,986.24 = 73,225.70 : x
  2. Step 2: Convert to fraction form
    108,537.21/162,986.24 = 73,225.70/x
  3. Step 3: Cross multiply
    108,537.21x = 162,986.24 × 73,225.70
  4. Step 4: Simplify right side
    108,537.21x = 11,934,781,514.37
  5. Step 5: Solve for x
    x = 11,934,781,514.37/108,537.21
  6. Step 6: Final answer
    x = 109,960.28

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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.