Home / 111,072.72-166,263.57-60,344.90

Finding the Fourth Proportional to 111,072.72, 166,263.57 and 60,344.90

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Solution

The fourth proportional to 111,072.72, 166,263.57 and 60,344.90 is: 90,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,072.72 : 166,263.57 = 60,344.90 : x
  2. Step 2: Convert to fraction form
    111,072.72/166,263.57 = 60,344.90/x
  3. Step 3: Cross multiply
    111,072.72x = 166,263.57 × 60,344.90
  4. Step 4: Simplify right side
    111,072.72x = 10,033,159,232.70
  5. Step 5: Solve for x
    x = 10,033,159,232.70/111,072.72
  6. Step 6: Final answer
    x = 90,329.64

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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.