Home / 68,709.24-103,060.62-40,262.04

Finding the Fourth Proportional to 68,709.24, 103,060.62 and 40,262.04

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Solution

The fourth proportional to 68,709.24, 103,060.62 and 40,262.04 is: 60,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,709.24 : 103,060.62 = 40,262.04 : x
  2. Step 2: Convert to fraction form
    68,709.24/103,060.62 = 40,262.04/x
  3. Step 3: Cross multiply
    68,709.24x = 103,060.62 × 40,262.04
  4. Step 4: Simplify right side
    68,709.24x = 4,149,430,804.86
  5. Step 5: Solve for x
    x = 4,149,430,804.86/68,709.24
  6. Step 6: Final answer
    x = 60,391.16

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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.