Home / 67,025.55-100,538.26-17,105.65

Finding the Fourth Proportional to 67,025.55, 100,538.26 and 17,105.65

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Solution

The fourth proportional to 67,025.55, 100,538.26 and 17,105.65 is: 25,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,025.55 : 100,538.26 = 17,105.65 : x
  2. Step 2: Convert to fraction form
    67,025.55/100,538.26 = 17,105.65/x
  3. Step 3: Cross multiply
    67,025.55x = 100,538.26 × 17,105.65
  4. Step 4: Simplify right side
    67,025.55x = 1,719,772,287.17
  5. Step 5: Solve for x
    x = 1,719,772,287.17/67,025.55
  6. Step 6: Final answer
    x = 25,658.46

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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.