Home / 62,872.64-94,320.61-20,755.65

Finding the Fourth Proportional to 62,872.64, 94,320.61 and 20,755.65

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Solution

The fourth proportional to 62,872.64, 94,320.61 and 20,755.65 is: 31,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,872.64 : 94,320.61 = 20,755.65 : x
  2. Step 2: Convert to fraction form
    62,872.64/94,320.61 = 20,755.65/x
  3. Step 3: Cross multiply
    62,872.64x = 94,320.61 × 20,755.65
  4. Step 4: Simplify right side
    62,872.64x = 1,957,685,517.06
  5. Step 5: Solve for x
    x = 1,957,685,517.06/62,872.64
  6. Step 6: Final answer
    x = 31,137.32

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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.