Home / 69,729.41-104,594.11-19,803.02

Finding the Fourth Proportional to 69,729.41, 104,594.11 and 19,803.02

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Solution

The fourth proportional to 69,729.41, 104,594.11 and 19,803.02 is: 29,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,729.41 : 104,594.11 = 19,803.02 : x
  2. Step 2: Convert to fraction form
    69,729.41/104,594.11 = 19,803.02/x
  3. Step 3: Cross multiply
    69,729.41x = 104,594.11 × 19,803.02
  4. Step 4: Simplify right side
    69,729.41x = 2,071,279,176.69
  5. Step 5: Solve for x
    x = 2,071,279,176.69/69,729.41
  6. Step 6: Final answer
    x = 29,704.53

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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.