Home / 69,308.34-104,137.68-66,505.84

Finding the Fourth Proportional to 69,308.34, 104,137.68 and 66,505.84

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Solution

The fourth proportional to 69,308.34, 104,137.68 and 66,505.84 is: 99,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,308.34 : 104,137.68 = 66,505.84 : x
  2. Step 2: Convert to fraction form
    69,308.34/104,137.68 = 66,505.84/x
  3. Step 3: Cross multiply
    69,308.34x = 104,137.68 × 66,505.84
  4. Step 4: Simplify right side
    69,308.34x = 6,925,763,884.05
  5. Step 5: Solve for x
    x = 6,925,763,884.05/69,308.34
  6. Step 6: Final answer
    x = 99,926.85

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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.