Home / 80,213.28-110,693-44,402.52

Finding the Fourth Proportional to 80,213.28, 110,693 and 44,402.52

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Solution

The fourth proportional to 80,213.28, 110,693 and 44,402.52 is: 61,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,213.28 : 110,693 = 44,402.52 : x
  2. Step 2: Convert to fraction form
    80,213.28/110,693 = 44,402.52/x
  3. Step 3: Cross multiply
    80,213.28x = 110,693 × 44,402.52
  4. Step 4: Simplify right side
    80,213.28x = 4,915,048,146.36
  5. Step 5: Solve for x
    x = 4,915,048,146.36/80,213.28
  6. Step 6: Final answer
    x = 61,274.74

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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.