Home / 80,231.96-110,721-44,425.28

Finding the Fourth Proportional to 80,231.96, 110,721 and 44,425.28

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Solution

The fourth proportional to 80,231.96, 110,721 and 44,425.28 is: 61,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.96 : 110,721 = 44,425.28 : x
  2. Step 2: Convert to fraction form
    80,231.96/110,721 = 44,425.28/x
  3. Step 3: Cross multiply
    80,231.96x = 110,721 × 44,425.28
  4. Step 4: Simplify right side
    80,231.96x = 4,918,811,426.88
  5. Step 5: Solve for x
    x = 4,918,811,426.88/80,231.96
  6. Step 6: Final answer
    x = 61,307.38

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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.