Home / 111,075.44-166,539.32-61,179.04

Finding the Fourth Proportional to 111,075.44, 166,539.32 and 61,179.04

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Solution

The fourth proportional to 111,075.44, 166,539.32 and 61,179.04 is: 91,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,075.44 : 166,539.32 = 61,179.04 : x
  2. Step 2: Convert to fraction form
    111,075.44/166,539.32 = 61,179.04/x
  3. Step 3: Cross multiply
    111,075.44x = 166,539.32 × 61,179.04
  4. Step 4: Simplify right side
    111,075.44x = 10,188,715,719.85
  5. Step 5: Solve for x
    x = 10,188,715,719.85/111,075.44
  6. Step 6: Final answer
    x = 91,727.89

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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.