Home / 69,715.32-104,546.64-25,331.04

Finding the Fourth Proportional to 69,715.32, 104,546.64 and 25,331.04

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Solution

The fourth proportional to 69,715.32, 104,546.64 and 25,331.04 is: 37,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,715.32 : 104,546.64 = 25,331.04 : x
  2. Step 2: Convert to fraction form
    69,715.32/104,546.64 = 25,331.04/x
  3. Step 3: Cross multiply
    69,715.32x = 104,546.64 × 25,331.04
  4. Step 4: Simplify right side
    69,715.32x = 2,648,275,119.71
  5. Step 5: Solve for x
    x = 2,648,275,119.71/69,715.32
  6. Step 6: Final answer
    x = 37,986.99

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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.