Home / 75,628.25-113,449.50-22,320.42

Finding the Fourth Proportional to 75,628.25, 113,449.50 and 22,320.42

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Solution

The fourth proportional to 75,628.25, 113,449.50 and 22,320.42 is: 33,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,628.25 : 113,449.50 = 22,320.42 : x
  2. Step 2: Convert to fraction form
    75,628.25/113,449.50 = 22,320.42/x
  3. Step 3: Cross multiply
    75,628.25x = 113,449.50 × 22,320.42
  4. Step 4: Simplify right side
    75,628.25x = 2,532,240,488.79
  5. Step 5: Solve for x
    x = 2,532,240,488.79/75,628.25
  6. Step 6: Final answer
    x = 33,482.73

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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.