Home / 69,964.28-104,915.45-20,033.00

Finding the Fourth Proportional to 69,964.28, 104,915.45 and 20,033.00

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Solution

The fourth proportional to 69,964.28, 104,915.45 and 20,033.00 is: 30,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964.28 : 104,915.45 = 20,033.00 : x
  2. Step 2: Convert to fraction form
    69,964.28/104,915.45 = 20,033.00/x
  3. Step 3: Cross multiply
    69,964.28x = 104,915.45 × 20,033.00
  4. Step 4: Simplify right side
    69,964.28x = 2,101,770,585.11
  5. Step 5: Solve for x
    x = 2,101,770,585.11/69,964.28
  6. Step 6: Final answer
    x = 30,040.63

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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.