Home / 73,750.20-110,624.58-21,159.96

Finding the Fourth Proportional to 73,750.20, 110,624.58 and 21,159.96

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Solution

The fourth proportional to 73,750.20, 110,624.58 and 21,159.96 is: 31,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,750.20 : 110,624.58 = 21,159.96 : x
  2. Step 2: Convert to fraction form
    73,750.20/110,624.58 = 21,159.96/x
  3. Step 3: Cross multiply
    73,750.20x = 110,624.58 × 21,159.96
  4. Step 4: Simplify right side
    73,750.20x = 2,340,811,687.82
  5. Step 5: Solve for x
    x = 2,340,811,687.82/73,750.20
  6. Step 6: Final answer
    x = 31,739.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.