Home / 49,849.69-74,809.61-45,085.38

Finding the Fourth Proportional to 49,849.69, 74,809.61 and 45,085.38

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Solution

The fourth proportional to 49,849.69, 74,809.61 and 45,085.38 is: 67,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,849.69 : 74,809.61 = 45,085.38 : x
  2. Step 2: Convert to fraction form
    49,849.69/74,809.61 = 45,085.38/x
  3. Step 3: Cross multiply
    49,849.69x = 74,809.61 × 45,085.38
  4. Step 4: Simplify right side
    49,849.69x = 3,372,819,694.50
  5. Step 5: Solve for x
    x = 3,372,819,694.50/49,849.69
  6. Step 6: Final answer
    x = 67,659.79

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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.