Home / 73,932.06-110,865.12-21,329.04

Finding the Fourth Proportional to 73,932.06, 110,865.12 and 21,329.04

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Solution

The fourth proportional to 73,932.06, 110,865.12 and 21,329.04 is: 31,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,932.06 : 110,865.12 = 21,329.04 : x
  2. Step 2: Convert to fraction form
    73,932.06/110,865.12 = 21,329.04/x
  3. Step 3: Cross multiply
    73,932.06x = 110,865.12 × 21,329.04
  4. Step 4: Simplify right side
    73,932.06x = 2,364,646,579.08
  5. Step 5: Solve for x
    x = 2,364,646,579.08/73,932.06
  6. Step 6: Final answer
    x = 31,984.05

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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.