Home / 80,585.28-111,194.64-44,774.64

Finding the Fourth Proportional to 80,585.28, 111,194.64 and 44,774.64

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Solution

The fourth proportional to 80,585.28, 111,194.64 and 44,774.64 is: 61,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585.28 : 111,194.64 = 44,774.64 : x
  2. Step 2: Convert to fraction form
    80,585.28/111,194.64 = 44,774.64/x
  3. Step 3: Cross multiply
    80,585.28x = 111,194.64 × 44,774.64
  4. Step 4: Simplify right side
    80,585.28x = 4,978,699,975.93
  5. Step 5: Solve for x
    x = 4,978,699,975.93/80,585.28
  6. Step 6: Final answer
    x = 61,781.75

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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.