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Finding the Fourth Proportional to 79,958.42, 110,342.80 and 44,148.50

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Solution

The fourth proportional to 79,958.42, 110,342.80 and 44,148.50 is: 60,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,958.42 : 110,342.80 = 44,148.50 : x
  2. Step 2: Convert to fraction form
    79,958.42/110,342.80 = 44,148.50/x
  3. Step 3: Cross multiply
    79,958.42x = 110,342.80 × 44,148.50
  4. Step 4: Simplify right side
    79,958.42x = 4,871,469,105.80
  5. Step 5: Solve for x
    x = 4,871,469,105.80/79,958.42
  6. Step 6: Final answer
    x = 60,925.03

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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.