Home / 57,095.50-78,793.89-31,255.86

Finding the Fourth Proportional to 57,095.50, 78,793.89 and 31,255.86

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Solution

The fourth proportional to 57,095.50, 78,793.89 and 31,255.86 is: 43,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095.50 : 78,793.89 = 31,255.86 : x
  2. Step 2: Convert to fraction form
    57,095.50/78,793.89 = 31,255.86/x
  3. Step 3: Cross multiply
    57,095.50x = 78,793.89 × 31,255.86
  4. Step 4: Simplify right side
    57,095.50x = 2,462,770,950.07
  5. Step 5: Solve for x
    x = 2,462,770,950.07/57,095.50
  6. Step 6: Final answer
    x = 43,134.24

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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.