Home / 74,530.05-111,756.61-21,932.71

Finding the Fourth Proportional to 74,530.05, 111,756.61 and 21,932.71

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Solution

The fourth proportional to 74,530.05, 111,756.61 and 21,932.71 is: 32,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,530.05 : 111,756.61 = 21,932.71 : x
  2. Step 2: Convert to fraction form
    74,530.05/111,756.61 = 21,932.71/x
  3. Step 3: Cross multiply
    74,530.05x = 111,756.61 × 21,932.71
  4. Step 4: Simplify right side
    74,530.05x = 2,451,125,208.05
  5. Step 5: Solve for x
    x = 2,451,125,208.05/74,530.05
  6. Step 6: Final answer
    x = 32,887.74

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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.