Home / 73,727.44-101,742.28-40,192.72

Finding the Fourth Proportional to 73,727.44, 101,742.28 and 40,192.72

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Solution

The fourth proportional to 73,727.44, 101,742.28 and 40,192.72 is: 55,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,727.44 : 101,742.28 = 40,192.72 : x
  2. Step 2: Convert to fraction form
    73,727.44/101,742.28 = 40,192.72/x
  3. Step 3: Cross multiply
    73,727.44x = 101,742.28 × 40,192.72
  4. Step 4: Simplify right side
    73,727.44x = 4,089,298,972.20
  5. Step 5: Solve for x
    x = 4,089,298,972.20/73,727.44
  6. Step 6: Final answer
    x = 55,465.09

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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.