Home / 48,587.45-72,716.56-29,879.33

Finding the Fourth Proportional to 48,587.45, 72,716.56 and 29,879.33

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Solution

The fourth proportional to 48,587.45, 72,716.56 and 29,879.33 is: 44,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587.45 : 72,716.56 = 29,879.33 : x
  2. Step 2: Convert to fraction form
    48,587.45/72,716.56 = 29,879.33/x
  3. Step 3: Cross multiply
    48,587.45x = 72,716.56 × 29,879.33
  4. Step 4: Simplify right side
    48,587.45x = 2,172,721,654.42
  5. Step 5: Solve for x
    x = 2,172,721,654.42/48,587.45
  6. Step 6: Final answer
    x = 44,717.76

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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.