Home / 55,236.63-76,227.05-31,363.81

Finding the Fourth Proportional to 55,236.63, 76,227.05 and 31,363.81

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Solution

The fourth proportional to 55,236.63, 76,227.05 and 31,363.81 is: 43,282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.63 : 76,227.05 = 31,363.81 : x
  2. Step 2: Convert to fraction form
    55,236.63/76,227.05 = 31,363.81/x
  3. Step 3: Cross multiply
    55,236.63x = 76,227.05 × 31,363.81
  4. Step 4: Simplify right side
    55,236.63x = 2,390,770,512.69
  5. Step 5: Solve for x
    x = 2,390,770,512.69/55,236.63
  6. Step 6: Final answer
    x = 43,282.34

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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.