Home / 115,743.68-173,568-36,836.72

Finding the Fourth Proportional to 115,743.68, 173,568 and 36,836.72

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Solution

The fourth proportional to 115,743.68, 173,568 and 36,836.72 is: 55,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743.68 : 173,568 = 36,836.72 : x
  2. Step 2: Convert to fraction form
    115,743.68/173,568 = 36,836.72/x
  3. Step 3: Cross multiply
    115,743.68x = 173,568 × 36,836.72
  4. Step 4: Simplify right side
    115,743.68x = 6,393,675,816.96
  5. Step 5: Solve for x
    x = 6,393,675,816.96/115,743.68
  6. Step 6: Final answer
    x = 55,239.96

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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.