Home / 82,197.28-113,328.97-67,074.58

Finding the Fourth Proportional to 82,197.28, 113,328.97 and 67,074.58

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Solution

The fourth proportional to 82,197.28, 113,328.97 and 67,074.58 is: 92,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,197.28 : 113,328.97 = 67,074.58 : x
  2. Step 2: Convert to fraction form
    82,197.28/113,328.97 = 67,074.58/x
  3. Step 3: Cross multiply
    82,197.28x = 113,328.97 × 67,074.58
  4. Step 4: Simplify right side
    82,197.28x = 7,601,493,064.58
  5. Step 5: Solve for x
    x = 7,601,493,064.58/82,197.28
  6. Step 6: Final answer
    x = 92,478.64

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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.