Home / 75,620.48-113,404.28-22,298.30

Finding the Fourth Proportional to 75,620.48, 113,404.28 and 22,298.30

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Solution

The fourth proportional to 75,620.48, 113,404.28 and 22,298.30 is: 33,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,620.48 : 113,404.28 = 22,298.30 : x
  2. Step 2: Convert to fraction form
    75,620.48/113,404.28 = 22,298.30/x
  3. Step 3: Cross multiply
    75,620.48x = 113,404.28 × 22,298.30
  4. Step 4: Simplify right side
    75,620.48x = 2,528,723,104.09
  5. Step 5: Solve for x
    x = 2,528,723,104.09/75,620.48
  6. Step 6: Final answer
    x = 33,439.66

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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.