Home / 53,504.75-73,836.40-30,843.61

Finding the Fourth Proportional to 53,504.75, 73,836.40 and 30,843.61

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Solution

The fourth proportional to 53,504.75, 73,836.40 and 30,843.61 is: 42,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,504.75 : 73,836.40 = 30,843.61 : x
  2. Step 2: Convert to fraction form
    53,504.75/73,836.40 = 30,843.61/x
  3. Step 3: Cross multiply
    53,504.75x = 73,836.40 × 30,843.61
  4. Step 4: Simplify right side
    53,504.75x = 2,277,381,125.40
  5. Step 5: Solve for x
    x = 2,277,381,125.40/53,504.75
  6. Step 6: Final answer
    x = 42,564.09

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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.