Home / 50,448.80-75,673.20-28,305.43

Finding the Fourth Proportional to 50,448.80, 75,673.20 and 28,305.43

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Solution

The fourth proportional to 50,448.80, 75,673.20 and 28,305.43 is: 42,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,448.80 : 75,673.20 = 28,305.43 : x
  2. Step 2: Convert to fraction form
    50,448.80/75,673.20 = 28,305.43/x
  3. Step 3: Cross multiply
    50,448.80x = 75,673.20 × 28,305.43
  4. Step 4: Simplify right side
    50,448.80x = 2,141,962,087.11
  5. Step 5: Solve for x
    x = 2,141,962,087.11/50,448.80
  6. Step 6: Final answer
    x = 42,458.14

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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.