Home / 73,727.20-101,744-40,193.12

Finding the Fourth Proportional to 73,727.20, 101,744 and 40,193.12

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Solution

The fourth proportional to 73,727.20, 101,744 and 40,193.12 is: 55,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,727.20 : 101,744 = 40,193.12 : x
  2. Step 2: Convert to fraction form
    73,727.20/101,744 = 40,193.12/x
  3. Step 3: Cross multiply
    73,727.20x = 101,744 × 40,193.12
  4. Step 4: Simplify right side
    73,727.20x = 4,089,408,801.28
  5. Step 5: Solve for x
    x = 4,089,408,801.28/73,727.20
  6. Step 6: Final answer
    x = 55,466.76

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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.