Home / 123,613.28-170,584.68-67,023.44

Finding the Fourth Proportional to 123,613.28, 170,584.68 and 67,023.44

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Solution

The fourth proportional to 123,613.28, 170,584.68 and 67,023.44 is: 92,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,613.28 : 170,584.68 = 67,023.44 : x
  2. Step 2: Convert to fraction form
    123,613.28/170,584.68 = 67,023.44/x
  3. Step 3: Cross multiply
    123,613.28x = 170,584.68 × 67,023.44
  4. Step 4: Simplify right side
    123,613.28x = 11,433,172,064.90
  5. Step 5: Solve for x
    x = 11,433,172,064.90/123,613.28
  6. Step 6: Final answer
    x = 92,491.45

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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.