Home / 76,140.07-114,170.66-40,591.83

Finding the Fourth Proportional to 76,140.07, 114,170.66 and 40,591.83

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Solution

The fourth proportional to 76,140.07, 114,170.66 and 40,591.83 is: 60,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,140.07 : 114,170.66 = 40,591.83 : x
  2. Step 2: Convert to fraction form
    76,140.07/114,170.66 = 40,591.83/x
  3. Step 3: Cross multiply
    76,140.07x = 114,170.66 × 40,591.83
  4. Step 4: Simplify right side
    76,140.07x = 4,634,396,627.44
  5. Step 5: Solve for x
    x = 4,634,396,627.44/76,140.07
  6. Step 6: Final answer
    x = 60,866.73

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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.