Home / 48,587.82-72,717.12-29,879.70

Finding the Fourth Proportional to 48,587.82, 72,717.12 and 29,879.70

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Solution

The fourth proportional to 48,587.82, 72,717.12 and 29,879.70 is: 44,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587.82 : 72,717.12 = 29,879.70 : x
  2. Step 2: Convert to fraction form
    48,587.82/72,717.12 = 29,879.70/x
  3. Step 3: Cross multiply
    48,587.82x = 72,717.12 × 29,879.70
  4. Step 4: Simplify right side
    48,587.82x = 2,172,765,730.46
  5. Step 5: Solve for x
    x = 2,172,765,730.46/48,587.82
  6. Step 6: Final answer
    x = 44,718.32

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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.