Home / 80,536.60-111,143.10-44,727.04

Finding the Fourth Proportional to 80,536.60, 111,143.10 and 44,727.04

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Solution

The fourth proportional to 80,536.60, 111,143.10 and 44,727.04 is: 61,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536.60 : 111,143.10 = 44,727.04 : x
  2. Step 2: Convert to fraction form
    80,536.60/111,143.10 = 44,727.04/x
  3. Step 3: Cross multiply
    80,536.60x = 111,143.10 × 44,727.04
  4. Step 4: Simplify right side
    80,536.60x = 4,971,101,879.42
  5. Step 5: Solve for x
    x = 4,971,101,879.42/80,536.60
  6. Step 6: Final answer
    x = 61,724.75

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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.