Home / 47,949.12-66,198.14-42,629.22

Finding the Fourth Proportional to 47,949.12, 66,198.14 and 42,629.22

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Solution

The fourth proportional to 47,949.12, 66,198.14 and 42,629.22 is: 58,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949.12 : 66,198.14 = 42,629.22 : x
  2. Step 2: Convert to fraction form
    47,949.12/66,198.14 = 42,629.22/x
  3. Step 3: Cross multiply
    47,949.12x = 66,198.14 × 42,629.22
  4. Step 4: Simplify right side
    47,949.12x = 2,821,974,860.50
  5. Step 5: Solve for x
    x = 2,821,974,860.50/47,949.12
  6. Step 6: Final answer
    x = 58,853.53

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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.