Home / 45,629.42-68,450.72-14,042.20

Finding the Fourth Proportional to 45,629.42, 68,450.72 and 14,042.20

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Solution

The fourth proportional to 45,629.42, 68,450.72 and 14,042.20 is: 21,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,629.42 : 68,450.72 = 14,042.20 : x
  2. Step 2: Convert to fraction form
    45,629.42/68,450.72 = 14,042.20/x
  3. Step 3: Cross multiply
    45,629.42x = 68,450.72 × 14,042.20
  4. Step 4: Simplify right side
    45,629.42x = 961,198,700.38
  5. Step 5: Solve for x
    x = 961,198,700.38/45,629.42
  6. Step 6: Final answer
    x = 21,065.33

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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.