Home / 48,587.32-72,716.38-29,879.20

Finding the Fourth Proportional to 48,587.32, 72,716.38 and 29,879.20

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Solution

The fourth proportional to 48,587.32, 72,716.38 and 29,879.20 is: 44,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587.32 : 72,716.38 = 29,879.20 : x
  2. Step 2: Convert to fraction form
    48,587.32/72,716.38 = 29,879.20/x
  3. Step 3: Cross multiply
    48,587.32x = 72,716.38 × 29,879.20
  4. Step 4: Simplify right side
    48,587.32x = 2,172,707,261.30
  5. Step 5: Solve for x
    x = 2,172,707,261.30/48,587.32
  6. Step 6: Final answer
    x = 44,717.58

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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.