Home / 108,107.38-162,029.46-76,526.39

Finding the Fourth Proportional to 108,107.38, 162,029.46 and 76,526.39

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Solution

The fourth proportional to 108,107.38, 162,029.46 and 76,526.39 is: 114,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,107.38 : 162,029.46 = 76,526.39 : x
  2. Step 2: Convert to fraction form
    108,107.38/162,029.46 = 76,526.39/x
  3. Step 3: Cross multiply
    108,107.38x = 162,029.46 × 76,526.39
  4. Step 4: Simplify right side
    108,107.38x = 12,399,530,339.50
  5. Step 5: Solve for x
    x = 12,399,530,339.50/108,107.38
  6. Step 6: Final answer
    x = 114,696.43

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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.