Home / 48,691.15-72,992.64-19,101.04

Finding the Fourth Proportional to 48,691.15, 72,992.64 and 19,101.04

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Solution

The fourth proportional to 48,691.15, 72,992.64 and 19,101.04 is: 28,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,691.15 : 72,992.64 = 19,101.04 : x
  2. Step 2: Convert to fraction form
    48,691.15/72,992.64 = 19,101.04/x
  3. Step 3: Cross multiply
    48,691.15x = 72,992.64 × 19,101.04
  4. Step 4: Simplify right side
    48,691.15x = 1,394,234,875.88
  5. Step 5: Solve for x
    x = 1,394,234,875.88/48,691.15
  6. Step 6: Final answer
    x = 28,634.26

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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.