Home / 80,924.15-111,714.94-62,734.68

Finding the Fourth Proportional to 80,924.15, 111,714.94 and 62,734.68

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Solution

The fourth proportional to 80,924.15, 111,714.94 and 62,734.68 is: 86,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,924.15 : 111,714.94 = 62,734.68 : x
  2. Step 2: Convert to fraction form
    80,924.15/111,714.94 = 62,734.68/x
  3. Step 3: Cross multiply
    80,924.15x = 111,714.94 × 62,734.68
  4. Step 4: Simplify right side
    80,924.15x = 7,008,401,012.12
  5. Step 5: Solve for x
    x = 7,008,401,012.12/80,924.15
  6. Step 6: Final answer
    x = 86,604.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.