Home / 55,211.83-76,194.62-31,340.73

Finding the Fourth Proportional to 55,211.83, 76,194.62 and 31,340.73

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Solution

The fourth proportional to 55,211.83, 76,194.62 and 31,340.73 is: 43,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,211.83 : 76,194.62 = 31,340.73 : x
  2. Step 2: Convert to fraction form
    55,211.83/76,194.62 = 31,340.73/x
  3. Step 3: Cross multiply
    55,211.83x = 76,194.62 × 31,340.73
  4. Step 4: Simplify right side
    55,211.83x = 2,387,995,012.87
  5. Step 5: Solve for x
    x = 2,387,995,012.87/55,211.83
  6. Step 6: Final answer
    x = 43,251.51

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Double scale
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1.5x scale

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.