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Finding the Fourth Proportional to 80,301.61, 110,811.58 and 44,489.49

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Solution

The fourth proportional to 80,301.61, 110,811.58 and 44,489.49 is: 61,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,301.61 : 110,811.58 = 44,489.49 : x
  2. Step 2: Convert to fraction form
    80,301.61/110,811.58 = 44,489.49/x
  3. Step 3: Cross multiply
    80,301.61x = 110,811.58 × 44,489.49
  4. Step 4: Simplify right side
    80,301.61x = 4,929,950,153.53
  5. Step 5: Solve for x
    x = 4,929,950,153.53/80,301.61
  6. Step 6: Final answer
    x = 61,392.92

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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.