Home / 55,793.51-76,976.30-31,591.17

Finding the Fourth Proportional to 55,793.51, 76,976.30 and 31,591.17

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Solution

The fourth proportional to 55,793.51, 76,976.30 and 31,591.17 is: 43,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.51 : 76,976.30 = 31,591.17 : x
  2. Step 2: Convert to fraction form
    55,793.51/76,976.30 = 31,591.17/x
  3. Step 3: Cross multiply
    55,793.51x = 76,976.30 × 31,591.17
  4. Step 4: Simplify right side
    55,793.51x = 2,431,771,221.32
  5. Step 5: Solve for x
    x = 2,431,771,221.32/55,793.51
  6. Step 6: Final answer
    x = 43,585.20

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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.