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Finding the Fourth Proportional to 73,119.44, 109,687.48 and 35,652.72

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Solution

The fourth proportional to 73,119.44, 109,687.48 and 35,652.72 is: 53,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,119.44 : 109,687.48 = 35,652.72 : x
  2. Step 2: Convert to fraction form
    73,119.44/109,687.48 = 35,652.72/x
  3. Step 3: Cross multiply
    73,119.44x = 109,687.48 × 35,652.72
  4. Step 4: Simplify right side
    73,119.44x = 3,910,657,011.95
  5. Step 5: Solve for x
    x = 3,910,657,011.95/73,119.44
  6. Step 6: Final answer
    x = 53,483.14

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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.