Home / 109,021.82-150,431.78-60,622.38

Finding the Fourth Proportional to 109,021.82, 150,431.78 and 60,622.38

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Solution

The fourth proportional to 109,021.82, 150,431.78 and 60,622.38 is: 83,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,021.82 : 150,431.78 = 60,622.38 : x
  2. Step 2: Convert to fraction form
    109,021.82/150,431.78 = 60,622.38/x
  3. Step 3: Cross multiply
    109,021.82x = 150,431.78 × 60,622.38
  4. Step 4: Simplify right side
    109,021.82x = 9,119,532,531.24
  5. Step 5: Solve for x
    x = 9,119,532,531.24/109,021.82
  6. Step 6: Final answer
    x = 83,648.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.