Home / 82,198.16-123,297.24-47,113.68

Finding the Fourth Proportional to 82,198.16, 123,297.24 and 47,113.68

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Solution

The fourth proportional to 82,198.16, 123,297.24 and 47,113.68 is: 70,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,198.16 : 123,297.24 = 47,113.68 : x
  2. Step 2: Convert to fraction form
    82,198.16/123,297.24 = 47,113.68/x
  3. Step 3: Cross multiply
    82,198.16x = 123,297.24 × 47,113.68
  4. Step 4: Simplify right side
    82,198.16x = 5,808,986,710.24
  5. Step 5: Solve for x
    x = 5,808,986,710.24/82,198.16
  6. Step 6: Final answer
    x = 70,670.52

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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.