Home / 68,590.46-102,889.67-26,470.73

Finding the Fourth Proportional to 68,590.46, 102,889.67 and 26,470.73

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Solution

The fourth proportional to 68,590.46, 102,889.67 and 26,470.73 is: 39,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,590.46 : 102,889.67 = 26,470.73 : x
  2. Step 2: Convert to fraction form
    68,590.46/102,889.67 = 26,470.73/x
  3. Step 3: Cross multiply
    68,590.46x = 102,889.67 × 26,470.73
  4. Step 4: Simplify right side
    68,590.46x = 2,723,564,027.56
  5. Step 5: Solve for x
    x = 2,723,564,027.56/68,590.46
  6. Step 6: Final answer
    x = 39,707.62

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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.