Home / 69,099.48-103,515.60-57,872.88

Finding the Fourth Proportional to 69,099.48, 103,515.60 and 57,872.88

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Solution

The fourth proportional to 69,099.48, 103,515.60 and 57,872.88 is: 86,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,099.48 : 103,515.60 = 57,872.88 : x
  2. Step 2: Convert to fraction form
    69,099.48/103,515.60 = 57,872.88/x
  3. Step 3: Cross multiply
    69,099.48x = 103,515.60 × 57,872.88
  4. Step 4: Simplify right side
    69,099.48x = 5,990,745,896.93
  5. Step 5: Solve for x
    x = 5,990,745,896.93/69,099.48
  6. Step 6: Final answer
    x = 86,697.41

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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.