Home / 80,656.43-111,299.67-44,840.66

Finding the Fourth Proportional to 80,656.43, 111,299.67 and 44,840.66

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Solution

The fourth proportional to 80,656.43, 111,299.67 and 44,840.66 is: 61,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,656.43 : 111,299.67 = 44,840.66 : x
  2. Step 2: Convert to fraction form
    80,656.43/111,299.67 = 44,840.66/x
  3. Step 3: Cross multiply
    80,656.43x = 111,299.67 × 44,840.66
  4. Step 4: Simplify right side
    80,656.43x = 4,990,750,104.08
  5. Step 5: Solve for x
    x = 4,990,750,104.08/80,656.43
  6. Step 6: Final answer
    x = 61,876.66

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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.