Home / 80,441.55-111,009.36-44,631.47

Finding the Fourth Proportional to 80,441.55, 111,009.36 and 44,631.47

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Solution

The fourth proportional to 80,441.55, 111,009.36 and 44,631.47 is: 61,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441.55 : 111,009.36 = 44,631.47 : x
  2. Step 2: Convert to fraction form
    80,441.55/111,009.36 = 44,631.47/x
  3. Step 3: Cross multiply
    80,441.55x = 111,009.36 × 44,631.47
  4. Step 4: Simplify right side
    80,441.55x = 4,954,510,920.56
  5. Step 5: Solve for x
    x = 4,954,510,920.56/80,441.55
  6. Step 6: Final answer
    x = 61,591.44

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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.