Home / 52,090.92-71,881.20-29,431.88

Finding the Fourth Proportional to 52,090.92, 71,881.20 and 29,431.88

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Solution

The fourth proportional to 52,090.92, 71,881.20 and 29,431.88 is: 40,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.92 : 71,881.20 = 29,431.88 : x
  2. Step 2: Convert to fraction form
    52,090.92/71,881.20 = 29,431.88/x
  3. Step 3: Cross multiply
    52,090.92x = 71,881.20 × 29,431.88
  4. Step 4: Simplify right side
    52,090.92x = 2,115,598,493.25
  5. Step 5: Solve for x
    x = 2,115,598,493.25/52,090.92
  6. Step 6: Final answer
    x = 40,613.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.