Home / 45,825.39-68,738.04-12,545.73

Finding the Fourth Proportional to 45,825.39, 68,738.04 and 12,545.73

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Solution

The fourth proportional to 45,825.39, 68,738.04 and 12,545.73 is: 18,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,825.39 : 68,738.04 = 12,545.73 : x
  2. Step 2: Convert to fraction form
    45,825.39/68,738.04 = 12,545.73/x
  3. Step 3: Cross multiply
    45,825.39x = 68,738.04 × 12,545.73
  4. Step 4: Simplify right side
    45,825.39x = 862,368,890.57
  5. Step 5: Solve for x
    x = 862,368,890.57/45,825.39
  6. Step 6: Final answer
    x = 18,818.58

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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.