Home / 82,197.53-113,329.32-67,074.83

Finding the Fourth Proportional to 82,197.53, 113,329.32 and 67,074.83

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Solution

The fourth proportional to 82,197.53, 113,329.32 and 67,074.83 is: 92,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,197.53 : 113,329.32 = 67,074.83 : x
  2. Step 2: Convert to fraction form
    82,197.53/113,329.32 = 67,074.83/x
  3. Step 3: Cross multiply
    82,197.53x = 113,329.32 × 67,074.83
  4. Step 4: Simplify right side
    82,197.53x = 7,601,544,873.02
  5. Step 5: Solve for x
    x = 7,601,544,873.02/82,197.53
  6. Step 6: Final answer
    x = 92,478.99

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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.