Home / 57,245.97-78,996.67-31,753.35

Finding the Fourth Proportional to 57,245.97, 78,996.67 and 31,753.35

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Solution

The fourth proportional to 57,245.97, 78,996.67 and 31,753.35 is: 43,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,245.97 : 78,996.67 = 31,753.35 : x
  2. Step 2: Convert to fraction form
    57,245.97/78,996.67 = 31,753.35/x
  3. Step 3: Cross multiply
    57,245.97x = 78,996.67 × 31,753.35
  4. Step 4: Simplify right side
    57,245.97x = 2,508,408,831.96
  5. Step 5: Solve for x
    x = 2,508,408,831.96/57,245.97
  6. Step 6: Final answer
    x = 43,818.08

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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.