Home / 108,516.26-162,879.60-52,395.96

Finding the Fourth Proportional to 108,516.26, 162,879.60 and 52,395.96

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Solution

The fourth proportional to 108,516.26, 162,879.60 and 52,395.96 is: 78,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,516.26 : 162,879.60 = 52,395.96 : x
  2. Step 2: Convert to fraction form
    108,516.26/162,879.60 = 52,395.96/x
  3. Step 3: Cross multiply
    108,516.26x = 162,879.60 × 52,395.96
  4. Step 4: Simplify right side
    108,516.26x = 8,534,233,006.42
  5. Step 5: Solve for x
    x = 8,534,233,006.42/108,516.26
  6. Step 6: Final answer
    x = 78,644.74

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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.