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Finding the Fourth Proportional to 80,058.78, 110,474.46 and 44,248.79

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Solution

The fourth proportional to 80,058.78, 110,474.46 and 44,248.79 is: 61,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,058.78 : 110,474.46 = 44,248.79 : x
  2. Step 2: Convert to fraction form
    80,058.78/110,474.46 = 44,248.79/x
  3. Step 3: Cross multiply
    80,058.78x = 110,474.46 × 44,248.79
  4. Step 4: Simplify right side
    80,058.78x = 4,888,360,628.53
  5. Step 5: Solve for x
    x = 4,888,360,628.53/80,058.78
  6. Step 6: Final answer
    x = 61,059.64

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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.