Home / 84,679.42-116,841.05-50,217.77

Finding the Fourth Proportional to 84,679.42, 116,841.05 and 50,217.77

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Solution

The fourth proportional to 84,679.42, 116,841.05 and 50,217.77 is: 69,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,679.42 : 116,841.05 = 50,217.77 : x
  2. Step 2: Convert to fraction form
    84,679.42/116,841.05 = 50,217.77/x
  3. Step 3: Cross multiply
    84,679.42x = 116,841.05 × 50,217.77
  4. Step 4: Simplify right side
    84,679.42x = 5,867,496,516.80
  5. Step 5: Solve for x
    x = 5,867,496,516.80/84,679.42
  6. Step 6: Final answer
    x = 69,290.70

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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.