Home / 73,306.34-109,992.30-42,141.62

Finding the Fourth Proportional to 73,306.34, 109,992.30 and 42,141.62

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Solution

The fourth proportional to 73,306.34, 109,992.30 and 42,141.62 is: 63,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,306.34 : 109,992.30 = 42,141.62 : x
  2. Step 2: Convert to fraction form
    73,306.34/109,992.30 = 42,141.62/x
  3. Step 3: Cross multiply
    73,306.34x = 109,992.30 × 42,141.62
  4. Step 4: Simplify right side
    73,306.34x = 4,635,253,709.53
  5. Step 5: Solve for x
    x = 4,635,253,709.53/73,306.34
  6. Step 6: Final answer
    x = 63,231.28

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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.