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Finding the Fourth Proportional to 48,874.85, 67,412.49 and 44,854.66

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Solution

The fourth proportional to 48,874.85, 67,412.49 and 44,854.66 is: 61,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,874.85 : 67,412.49 = 44,854.66 : x
  2. Step 2: Convert to fraction form
    48,874.85/67,412.49 = 44,854.66/x
  3. Step 3: Cross multiply
    48,874.85x = 67,412.49 × 44,854.66
  4. Step 4: Simplify right side
    48,874.85x = 3,023,763,981.64
  5. Step 5: Solve for x
    x = 3,023,763,981.64/48,874.85
  6. Step 6: Final answer
    x = 61,867.49

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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.