Home / 73,538.12-110,292.65-20,216.33

Finding the Fourth Proportional to 73,538.12, 110,292.65 and 20,216.33

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Solution

The fourth proportional to 73,538.12, 110,292.65 and 20,216.33 is: 30,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,538.12 : 110,292.65 = 20,216.33 : x
  2. Step 2: Convert to fraction form
    73,538.12/110,292.65 = 20,216.33/x
  3. Step 3: Cross multiply
    73,538.12x = 110,292.65 × 20,216.33
  4. Step 4: Simplify right side
    73,538.12x = 2,229,712,783.62
  5. Step 5: Solve for x
    x = 2,229,712,783.62/73,538.12
  6. Step 6: Final answer
    x = 30,320.51

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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.