Home / 67,065.09-100,597.25-17,145.12

Finding the Fourth Proportional to 67,065.09, 100,597.25 and 17,145.12

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Solution

The fourth proportional to 67,065.09, 100,597.25 and 17,145.12 is: 25,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,065.09 : 100,597.25 = 17,145.12 : x
  2. Step 2: Convert to fraction form
    67,065.09/100,597.25 = 17,145.12/x
  3. Step 3: Cross multiply
    67,065.09x = 100,597.25 × 17,145.12
  4. Step 4: Simplify right side
    67,065.09x = 1,724,751,837.19
  5. Step 5: Solve for x
    x = 1,724,751,837.19/67,065.09
  6. Step 6: Final answer
    x = 25,717.58

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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.