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Finding the Fourth Proportional to 80,274.68, 110,777.80 and 43,975.84

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Solution

The fourth proportional to 80,274.68, 110,777.80 and 43,975.84 is: 60,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,274.68 : 110,777.80 = 43,975.84 : x
  2. Step 2: Convert to fraction form
    80,274.68/110,777.80 = 43,975.84/x
  3. Step 3: Cross multiply
    80,274.68x = 110,777.80 × 43,975.84
  4. Step 4: Simplify right side
    80,274.68x = 4,871,546,808.35
  5. Step 5: Solve for x
    x = 4,871,546,808.35/80,274.68
  6. Step 6: Final answer
    x = 60,685.97

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1.5x scale

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.