Home / 111,068.68-166,592.22-61,132.36

Finding the Fourth Proportional to 111,068.68, 166,592.22 and 61,132.36

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Solution

The fourth proportional to 111,068.68, 166,592.22 and 61,132.36 is: 91,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,068.68 : 166,592.22 = 61,132.36 : x
  2. Step 2: Convert to fraction form
    111,068.68/166,592.22 = 61,132.36/x
  3. Step 3: Cross multiply
    111,068.68x = 166,592.22 × 61,132.36
  4. Step 4: Simplify right side
    111,068.68x = 10,184,175,566.24
  5. Step 5: Solve for x
    x = 10,184,175,566.24/111,068.68
  6. Step 6: Final answer
    x = 91,692.60

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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.