Home / 51,364.13-76,815.14-39,359.12

Finding the Fourth Proportional to 51,364.13, 76,815.14 and 39,359.12

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Solution

The fourth proportional to 51,364.13, 76,815.14 and 39,359.12 is: 58,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,364.13 : 76,815.14 = 39,359.12 : x
  2. Step 2: Convert to fraction form
    51,364.13/76,815.14 = 39,359.12/x
  3. Step 3: Cross multiply
    51,364.13x = 76,815.14 × 39,359.12
  4. Step 4: Simplify right side
    51,364.13x = 3,023,375,732.21
  5. Step 5: Solve for x
    x = 3,023,375,732.21/51,364.13
  6. Step 6: Final answer
    x = 58,861.62

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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.