Home / 72,932.20-100,579.62-47,795.56

Finding the Fourth Proportional to 72,932.20, 100,579.62 and 47,795.56

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Solution

The fourth proportional to 72,932.20, 100,579.62 and 47,795.56 is: 65,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932.20 : 100,579.62 = 47,795.56 : x
  2. Step 2: Convert to fraction form
    72,932.20/100,579.62 = 47,795.56/x
  3. Step 3: Cross multiply
    72,932.20x = 100,579.62 × 47,795.56
  4. Step 4: Simplify right side
    72,932.20x = 4,807,259,262.49
  5. Step 5: Solve for x
    x = 4,807,259,262.49/72,932.20
  6. Step 6: Final answer
    x = 65,914.09

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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.