Home / 111,770.45-167,729.54-52,623.03

Finding the Fourth Proportional to 111,770.45, 167,729.54 and 52,623.03

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Solution

The fourth proportional to 111,770.45, 167,729.54 and 52,623.03 is: 78,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,770.45 : 167,729.54 = 52,623.03 : x
  2. Step 2: Convert to fraction form
    111,770.45/167,729.54 = 52,623.03/x
  3. Step 3: Cross multiply
    111,770.45x = 167,729.54 × 52,623.03
  4. Step 4: Simplify right side
    111,770.45x = 8,826,436,981.18
  5. Step 5: Solve for x
    x = 8,826,436,981.18/111,770.45
  6. Step 6: Final answer
    x = 78,969.33

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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.