Home / 68,103.17-102,155.21-23,730.77

Finding the Fourth Proportional to 68,103.17, 102,155.21 and 23,730.77

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Solution

The fourth proportional to 68,103.17, 102,155.21 and 23,730.77 is: 35,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,103.17 : 102,155.21 = 23,730.77 : x
  2. Step 2: Convert to fraction form
    68,103.17/102,155.21 = 23,730.77/x
  3. Step 3: Cross multiply
    68,103.17x = 102,155.21 × 23,730.77
  4. Step 4: Simplify right side
    68,103.17x = 2,424,221,163.38
  5. Step 5: Solve for x
    x = 2,424,221,163.38/68,103.17
  6. Step 6: Final answer
    x = 35,596.31

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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.