Home / 49,949.12-74,860.80-43,694.24

Finding the Fourth Proportional to 49,949.12, 74,860.80 and 43,694.24

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Solution

The fourth proportional to 49,949.12, 74,860.80 and 43,694.24 is: 65,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,949.12 : 74,860.80 = 43,694.24 : x
  2. Step 2: Convert to fraction form
    49,949.12/74,860.80 = 43,694.24/x
  3. Step 3: Cross multiply
    49,949.12x = 74,860.80 × 43,694.24
  4. Step 4: Simplify right side
    49,949.12x = 3,270,985,761.79
  5. Step 5: Solve for x
    x = 3,270,985,761.79/49,949.12
  6. Step 6: Final answer
    x = 65,486.35

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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.