Home / 108,042.21-162,063.32-29,156.43

Finding the Fourth Proportional to 108,042.21, 162,063.32 and 29,156.43

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Solution

The fourth proportional to 108,042.21, 162,063.32 and 29,156.43 is: 43,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,042.21 : 162,063.32 = 29,156.43 : x
  2. Step 2: Convert to fraction form
    108,042.21/162,063.32 = 29,156.43/x
  3. Step 3: Cross multiply
    108,042.21x = 162,063.32 × 29,156.43
  4. Step 4: Simplify right side
    108,042.21x = 4,725,187,699.37
  5. Step 5: Solve for x
    x = 4,725,187,699.37/108,042.21
  6. Step 6: Final answer
    x = 43,734.65

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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.