Home / 69,256.62-104,101.65-45,715.49

Finding the Fourth Proportional to 69,256.62, 104,101.65 and 45,715.49

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Solution

The fourth proportional to 69,256.62, 104,101.65 and 45,715.49 is: 68,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,256.62 : 104,101.65 = 45,715.49 : x
  2. Step 2: Convert to fraction form
    69,256.62/104,101.65 = 45,715.49/x
  3. Step 3: Cross multiply
    69,256.62x = 104,101.65 × 45,715.49
  4. Step 4: Simplify right side
    69,256.62x = 4,759,057,419.05
  5. Step 5: Solve for x
    x = 4,759,057,419.05/69,256.62
  6. Step 6: Final answer
    x = 68,716.29

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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.