Home / 74,146.26-111,725.36-61,286.70

Finding the Fourth Proportional to 74,146.26, 111,725.36 and 61,286.70

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Solution

The fourth proportional to 74,146.26, 111,725.36 and 61,286.70 is: 92,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,146.26 : 111,725.36 = 61,286.70 : x
  2. Step 2: Convert to fraction form
    74,146.26/111,725.36 = 61,286.70/x
  3. Step 3: Cross multiply
    74,146.26x = 111,725.36 × 61,286.70
  4. Step 4: Simplify right side
    74,146.26x = 6,847,278,620.71
  5. Step 5: Solve for x
    x = 6,847,278,620.71/74,146.26
  6. Step 6: Final answer
    x = 92,348.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.