Home / 108,372.24-162,489.15-52,100.37

Finding the Fourth Proportional to 108,372.24, 162,489.15 and 52,100.37

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Solution

The fourth proportional to 108,372.24, 162,489.15 and 52,100.37 is: 78,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,372.24 : 162,489.15 = 52,100.37 : x
  2. Step 2: Convert to fraction form
    108,372.24/162,489.15 = 52,100.37/x
  3. Step 3: Cross multiply
    108,372.24x = 162,489.15 × 52,100.37
  4. Step 4: Simplify right side
    108,372.24x = 8,465,744,835.99
  5. Step 5: Solve for x
    x = 8,465,744,835.99/108,372.24
  6. Step 6: Final answer
    x = 78,117.28

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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.