Home / 80,079.35-120,078.45-26,752.32

Finding the Fourth Proportional to 80,079.35, 120,078.45 and 26,752.32

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Solution

The fourth proportional to 80,079.35, 120,078.45 and 26,752.32 is: 40,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,079.35 : 120,078.45 = 26,752.32 : x
  2. Step 2: Convert to fraction form
    80,079.35/120,078.45 = 26,752.32/x
  3. Step 3: Cross multiply
    80,079.35x = 120,078.45 × 26,752.32
  4. Step 4: Simplify right side
    80,079.35x = 3,212,377,119.50
  5. Step 5: Solve for x
    x = 3,212,377,119.50/80,079.35
  6. Step 6: Final answer
    x = 40,114.93

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1.5x scale

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.