Home / 62,982.12-86,843.22-47,039.64

Finding the Fourth Proportional to 62,982.12, 86,843.22 and 47,039.64

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Solution

The fourth proportional to 62,982.12, 86,843.22 and 47,039.64 is: 64,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,982.12 : 86,843.22 = 47,039.64 : x
  2. Step 2: Convert to fraction form
    62,982.12/86,843.22 = 47,039.64/x
  3. Step 3: Cross multiply
    62,982.12x = 86,843.22 × 47,039.64
  4. Step 4: Simplify right side
    62,982.12x = 4,085,073,805.24
  5. Step 5: Solve for x
    x = 4,085,073,805.24/62,982.12
  6. Step 6: Final answer
    x = 64,860.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.