Home / 80,501.24-120,747.99-30,577.44

Finding the Fourth Proportional to 80,501.24, 120,747.99 and 30,577.44

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Solution

The fourth proportional to 80,501.24, 120,747.99 and 30,577.44 is: 45,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,501.24 : 120,747.99 = 30,577.44 : x
  2. Step 2: Convert to fraction form
    80,501.24/120,747.99 = 30,577.44/x
  3. Step 3: Cross multiply
    80,501.24x = 120,747.99 × 30,577.44
  4. Step 4: Simplify right side
    80,501.24x = 3,692,164,419.35
  5. Step 5: Solve for x
    x = 3,692,164,419.35/80,501.24
  6. Step 6: Final answer
    x = 45,864.69

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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.