Home / 69,166.05-103,734.90-19,233.60

Finding the Fourth Proportional to 69,166.05, 103,734.90 and 19,233.60

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Solution

The fourth proportional to 69,166.05, 103,734.90 and 19,233.60 is: 28,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,166.05 : 103,734.90 = 19,233.60 : x
  2. Step 2: Convert to fraction form
    69,166.05/103,734.90 = 19,233.60/x
  3. Step 3: Cross multiply
    69,166.05x = 103,734.90 × 19,233.60
  4. Step 4: Simplify right side
    69,166.05x = 1,995,195,572.64
  5. Step 5: Solve for x
    x = 1,995,195,572.64/69,166.05
  6. Step 6: Final answer
    x = 28,846.46

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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.