Home / 49,519.59-74,278.51-45,662.65

Finding the Fourth Proportional to 49,519.59, 74,278.51 and 45,662.65

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Solution

The fourth proportional to 49,519.59, 74,278.51 and 45,662.65 is: 68,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,519.59 : 74,278.51 = 45,662.65 : x
  2. Step 2: Convert to fraction form
    49,519.59/74,278.51 = 45,662.65/x
  3. Step 3: Cross multiply
    49,519.59x = 74,278.51 × 45,662.65
  4. Step 4: Simplify right side
    49,519.59x = 3,391,753,604.65
  5. Step 5: Solve for x
    x = 3,391,753,604.65/49,519.59
  6. Step 6: Final answer
    x = 68,493.17

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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.