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Finding the Fourth Proportional to 73,445.48, 101,385.76 and 49,604.44

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Solution

The fourth proportional to 73,445.48, 101,385.76 and 49,604.44 is: 68,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,445.48 : 101,385.76 = 49,604.44 : x
  2. Step 2: Convert to fraction form
    73,445.48/101,385.76 = 49,604.44/x
  3. Step 3: Cross multiply
    73,445.48x = 101,385.76 × 49,604.44
  4. Step 4: Simplify right side
    73,445.48x = 5,029,183,848.77
  5. Step 5: Solve for x
    x = 5,029,183,848.77/73,445.48
  6. Step 6: Final answer
    x = 68,475.06

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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.