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Finding the Fourth Proportional to 73,623.38, 110,216.88 and 45,452.86

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Solution

The fourth proportional to 73,623.38, 110,216.88 and 45,452.86 is: 68,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,623.38 : 110,216.88 = 45,452.86 : x
  2. Step 2: Convert to fraction form
    73,623.38/110,216.88 = 45,452.86/x
  3. Step 3: Cross multiply
    73,623.38x = 110,216.88 × 45,452.86
  4. Step 4: Simplify right side
    73,623.38x = 5,009,672,416.28
  5. Step 5: Solve for x
    x = 5,009,672,416.28/73,623.38
  6. Step 6: Final answer
    x = 68,044.59

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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.