Home / 75,267.12-112,860.72-25,330.56

Finding the Fourth Proportional to 75,267.12, 112,860.72 and 25,330.56

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Solution

The fourth proportional to 75,267.12, 112,860.72 and 25,330.56 is: 37,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,267.12 : 112,860.72 = 25,330.56 : x
  2. Step 2: Convert to fraction form
    75,267.12/112,860.72 = 25,330.56/x
  3. Step 3: Cross multiply
    75,267.12x = 112,860.72 × 25,330.56
  4. Step 4: Simplify right side
    75,267.12x = 2,858,825,239.60
  5. Step 5: Solve for x
    x = 2,858,825,239.60/75,267.12
  6. Step 6: Final answer
    x = 37,982.39

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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.