Home / 82,719.29-114,121.68-48,706.98

Finding the Fourth Proportional to 82,719.29, 114,121.68 and 48,706.98

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Solution

The fourth proportional to 82,719.29, 114,121.68 and 48,706.98 is: 67,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,719.29 : 114,121.68 = 48,706.98 : x
  2. Step 2: Convert to fraction form
    82,719.29/114,121.68 = 48,706.98/x
  3. Step 3: Cross multiply
    82,719.29x = 114,121.68 × 48,706.98
  4. Step 4: Simplify right side
    82,719.29x = 5,558,522,385.33
  5. Step 5: Solve for x
    x = 5,558,522,385.33/82,719.29
  6. Step 6: Final answer
    x = 67,197.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.