Home / 69,704.28-104,497.65-30,231.67

Finding the Fourth Proportional to 69,704.28, 104,497.65 and 30,231.67

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Solution

The fourth proportional to 69,704.28, 104,497.65 and 30,231.67 is: 45,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704.28 : 104,497.65 = 30,231.67 : x
  2. Step 2: Convert to fraction form
    69,704.28/104,497.65 = 30,231.67/x
  3. Step 3: Cross multiply
    69,704.28x = 104,497.65 × 30,231.67
  4. Step 4: Simplify right side
    69,704.28x = 3,159,138,470.58
  5. Step 5: Solve for x
    x = 3,159,138,470.58/69,704.28
  6. Step 6: Final answer
    x = 45,322.02

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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.