Home / 68,529.62-102,545.31-56,572.20

Finding the Fourth Proportional to 68,529.62, 102,545.31 and 56,572.20

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Solution

The fourth proportional to 68,529.62, 102,545.31 and 56,572.20 is: 84,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,529.62 : 102,545.31 = 56,572.20 : x
  2. Step 2: Convert to fraction form
    68,529.62/102,545.31 = 56,572.20/x
  3. Step 3: Cross multiply
    68,529.62x = 102,545.31 × 56,572.20
  4. Step 4: Simplify right side
    68,529.62x = 5,801,213,786.38
  5. Step 5: Solve for x
    x = 5,801,213,786.38/68,529.62
  6. Step 6: Final answer
    x = 84,652.64

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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.