Home / 125,825.57-188,738.33-45,869.54

Finding the Fourth Proportional to 125,825.57, 188,738.33 and 45,869.54

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Solution

The fourth proportional to 125,825.57, 188,738.33 and 45,869.54 is: 68,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,825.57 : 188,738.33 = 45,869.54 : x
  2. Step 2: Convert to fraction form
    125,825.57/188,738.33 = 45,869.54/x
  3. Step 3: Cross multiply
    125,825.57x = 188,738.33 × 45,869.54
  4. Step 4: Simplify right side
    125,825.57x = 8,657,339,548.45
  5. Step 5: Solve for x
    x = 8,657,339,548.45/125,825.57
  6. Step 6: Final answer
    x = 68,804.29

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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.