Home / 76,131.10-114,212.85-23,545.90

Finding the Fourth Proportional to 76,131.10, 114,212.85 and 23,545.90

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Solution

The fourth proportional to 76,131.10, 114,212.85 and 23,545.90 is: 35,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,131.10 : 114,212.85 = 23,545.90 : x
  2. Step 2: Convert to fraction form
    76,131.10/114,212.85 = 23,545.90/x
  3. Step 3: Cross multiply
    76,131.10x = 114,212.85 × 23,545.90
  4. Step 4: Simplify right side
    76,131.10x = 2,689,244,344.82
  5. Step 5: Solve for x
    x = 2,689,244,344.82/76,131.10
  6. Step 6: Final answer
    x = 35,323.86

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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.