Home / 80,483.18-120,746.24-27,892.62

Finding the Fourth Proportional to 80,483.18, 120,746.24 and 27,892.62

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Solution

The fourth proportional to 80,483.18, 120,746.24 and 27,892.62 is: 41,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,483.18 : 120,746.24 = 27,892.62 : x
  2. Step 2: Convert to fraction form
    80,483.18/120,746.24 = 27,892.62/x
  3. Step 3: Cross multiply
    80,483.18x = 120,746.24 × 27,892.62
  4. Step 4: Simplify right side
    80,483.18x = 3,367,928,988.75
  5. Step 5: Solve for x
    x = 3,367,928,988.75/80,483.18
  6. Step 6: Final answer
    x = 41,846.37

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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.