Home / 69,309.45-103,975.38-27,166.68

Finding the Fourth Proportional to 69,309.45, 103,975.38 and 27,166.68

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Solution

The fourth proportional to 69,309.45, 103,975.38 and 27,166.68 is: 40,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,309.45 : 103,975.38 = 27,166.68 : x
  2. Step 2: Convert to fraction form
    69,309.45/103,975.38 = 27,166.68/x
  3. Step 3: Cross multiply
    69,309.45x = 103,975.38 × 27,166.68
  4. Step 4: Simplify right side
    69,309.45x = 2,824,665,876.34
  5. Step 5: Solve for x
    x = 2,824,665,876.34/69,309.45
  6. Step 6: Final answer
    x = 40,754.41

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1.5x scale

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.