Home / 80,272.68-110,775.06-43,973.84

Finding the Fourth Proportional to 80,272.68, 110,775.06 and 43,973.84

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Solution

The fourth proportional to 80,272.68, 110,775.06 and 43,973.84 is: 60,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,272.68 : 110,775.06 = 43,973.84 : x
  2. Step 2: Convert to fraction form
    80,272.68/110,775.06 = 43,973.84/x
  3. Step 3: Cross multiply
    80,272.68x = 110,775.06 × 43,973.84
  4. Step 4: Simplify right side
    80,272.68x = 4,871,204,764.43
  5. Step 5: Solve for x
    x = 4,871,204,764.43/80,272.68
  6. Step 6: Final answer
    x = 60,683.22

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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.