Home / 80,564.46-120,858.96-41,100.06

Finding the Fourth Proportional to 80,564.46, 120,858.96 and 41,100.06

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Solution

The fourth proportional to 80,564.46, 120,858.96 and 41,100.06 is: 61,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564.46 : 120,858.96 = 41,100.06 : x
  2. Step 2: Convert to fraction form
    80,564.46/120,858.96 = 41,100.06/x
  3. Step 3: Cross multiply
    80,564.46x = 120,858.96 × 41,100.06
  4. Step 4: Simplify right side
    80,564.46x = 4,967,310,507.54
  5. Step 5: Solve for x
    x = 4,967,310,507.54/80,564.46
  6. Step 6: Final answer
    x = 61,656.35

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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.