Home / 74,839.88-103,277.49-40,849.04

Finding the Fourth Proportional to 74,839.88, 103,277.49 and 40,849.04

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Solution

The fourth proportional to 74,839.88, 103,277.49 and 40,849.04 is: 56,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.88 : 103,277.49 = 40,849.04 : x
  2. Step 2: Convert to fraction form
    74,839.88/103,277.49 = 40,849.04/x
  3. Step 3: Cross multiply
    74,839.88x = 103,277.49 × 40,849.04
  4. Step 4: Simplify right side
    74,839.88x = 4,218,786,320.11
  5. Step 5: Solve for x
    x = 4,218,786,320.11/74,839.88
  6. Step 6: Final answer
    x = 56,370.83

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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.