Home / 52,481.64-72,421.04-29,514.90

Finding the Fourth Proportional to 52,481.64, 72,421.04 and 29,514.90

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Solution

The fourth proportional to 52,481.64, 72,421.04 and 29,514.90 is: 40,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,481.64 : 72,421.04 = 29,514.90 : x
  2. Step 2: Convert to fraction form
    52,481.64/72,421.04 = 29,514.90/x
  3. Step 3: Cross multiply
    52,481.64x = 72,421.04 × 29,514.90
  4. Step 4: Simplify right side
    52,481.64x = 2,137,499,753.50
  5. Step 5: Solve for x
    x = 2,137,499,753.50/52,481.64
  6. Step 6: Final answer
    x = 40,728.52

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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.