Home / 57,273.08-78,756.58-49,706.27

Finding the Fourth Proportional to 57,273.08, 78,756.58 and 49,706.27

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Solution

The fourth proportional to 57,273.08, 78,756.58 and 49,706.27 is: 68,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273.08 : 78,756.58 = 49,706.27 : x
  2. Step 2: Convert to fraction form
    57,273.08/78,756.58 = 49,706.27/x
  3. Step 3: Cross multiply
    57,273.08x = 78,756.58 × 49,706.27
  4. Step 4: Simplify right side
    57,273.08x = 3,914,695,645.78
  5. Step 5: Solve for x
    x = 3,914,695,645.78/57,273.08
  6. Step 6: Final answer
    x = 68,351.41

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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.