Home / 57,134.44-78,838.12-31,983.96

Finding the Fourth Proportional to 57,134.44, 78,838.12 and 31,983.96

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Solution

The fourth proportional to 57,134.44, 78,838.12 and 31,983.96 is: 44,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,134.44 : 78,838.12 = 31,983.96 : x
  2. Step 2: Convert to fraction form
    57,134.44/78,838.12 = 31,983.96/x
  3. Step 3: Cross multiply
    57,134.44x = 78,838.12 × 31,983.96
  4. Step 4: Simplify right side
    57,134.44x = 2,521,555,276.56
  5. Step 5: Solve for x
    x = 2,521,555,276.56/57,134.44
  6. Step 6: Final answer
    x = 44,133.72

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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.