Home / 111,768.60-154,234.44-64,025.02

Finding the Fourth Proportional to 111,768.60, 154,234.44 and 64,025.02

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Solution

The fourth proportional to 111,768.60, 154,234.44 and 64,025.02 is: 88,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,768.60 : 154,234.44 = 64,025.02 : x
  2. Step 2: Convert to fraction form
    111,768.60/154,234.44 = 64,025.02/x
  3. Step 3: Cross multiply
    111,768.60x = 154,234.44 × 64,025.02
  4. Step 4: Simplify right side
    111,768.60x = 9,874,863,105.69
  5. Step 5: Solve for x
    x = 9,874,863,105.69/111,768.60
  6. Step 6: Final answer
    x = 88,350.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.