Home / 108,621-162,924.21-29,735.91

Finding the Fourth Proportional to 108,621, 162,924.21 and 29,735.91

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Solution

The fourth proportional to 108,621, 162,924.21 and 29,735.91 is: 44,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621 : 162,924.21 = 29,735.91 : x
  2. Step 2: Convert to fraction form
    108,621/162,924.21 = 29,735.91/x
  3. Step 3: Cross multiply
    108,621x = 162,924.21 × 29,735.91
  4. Step 4: Simplify right side
    108,621x = 4,844,699,645.38
  5. Step 5: Solve for x
    x = 4,844,699,645.38/108,621
  6. Step 6: Final answer
    x = 44,601.87

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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.