Home / 75,849.03-113,789.75-29,101.50

Finding the Fourth Proportional to 75,849.03, 113,789.75 and 29,101.50

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Solution

The fourth proportional to 75,849.03, 113,789.75 and 29,101.50 is: 43,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,849.03 : 113,789.75 = 29,101.50 : x
  2. Step 2: Convert to fraction form
    75,849.03/113,789.75 = 29,101.50/x
  3. Step 3: Cross multiply
    75,849.03x = 113,789.75 × 29,101.50
  4. Step 4: Simplify right side
    75,849.03x = 3,311,452,264.12
  5. Step 5: Solve for x
    x = 3,311,452,264.12/75,849.03
  6. Step 6: Final answer
    x = 43,658.47

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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.