Home / 92,415.96-138,685.46-50,306.66

Finding the Fourth Proportional to 92,415.96, 138,685.46 and 50,306.66

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Solution

The fourth proportional to 92,415.96, 138,685.46 and 50,306.66 is: 75,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,415.96 : 138,685.46 = 50,306.66 : x
  2. Step 2: Convert to fraction form
    92,415.96/138,685.46 = 50,306.66/x
  3. Step 3: Cross multiply
    92,415.96x = 138,685.46 × 50,306.66
  4. Step 4: Simplify right side
    92,415.96x = 6,976,801,338.20
  5. Step 5: Solve for x
    x = 6,976,801,338.20/92,415.96
  6. Step 6: Final answer
    x = 75,493.47

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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.