Home / 58,644.25-80,929.15-31,786.75

Finding the Fourth Proportional to 58,644.25, 80,929.15 and 31,786.75

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Solution

The fourth proportional to 58,644.25, 80,929.15 and 31,786.75 is: 43,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,644.25 : 80,929.15 = 31,786.75 : x
  2. Step 2: Convert to fraction form
    58,644.25/80,929.15 = 31,786.75/x
  3. Step 3: Cross multiply
    58,644.25x = 80,929.15 × 31,786.75
  4. Step 4: Simplify right side
    58,644.25x = 2,572,474,997.47
  5. Step 5: Solve for x
    x = 2,572,474,997.47/58,644.25
  6. Step 6: Final answer
    x = 43,865.76

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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.