Home / 75,770.28-113,651.34-23,179.77

Finding the Fourth Proportional to 75,770.28, 113,651.34 and 23,179.77

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Solution

The fourth proportional to 75,770.28, 113,651.34 and 23,179.77 is: 34,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770.28 : 113,651.34 = 23,179.77 : x
  2. Step 2: Convert to fraction form
    75,770.28/113,651.34 = 23,179.77/x
  3. Step 3: Cross multiply
    75,770.28x = 113,651.34 × 23,179.77
  4. Step 4: Simplify right side
    75,770.28x = 2,634,411,921.39
  5. Step 5: Solve for x
    x = 2,634,411,921.39/75,770.28
  6. Step 6: Final answer
    x = 34,768.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.