Home / 108,731.28-162,908.10-58,845.72

Finding the Fourth Proportional to 108,731.28, 162,908.10 and 58,845.72

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Solution

The fourth proportional to 108,731.28, 162,908.10 and 58,845.72 is: 88,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,731.28 : 162,908.10 = 58,845.72 : x
  2. Step 2: Convert to fraction form
    108,731.28/162,908.10 = 58,845.72/x
  3. Step 3: Cross multiply
    108,731.28x = 162,908.10 × 58,845.72
  4. Step 4: Simplify right side
    108,731.28x = 9,586,444,438.33
  5. Step 5: Solve for x
    x = 9,586,444,438.33/108,731.28
  6. Step 6: Final answer
    x = 88,166.39

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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.