Home / 103,868.64-155,767.68-33,730.56

Finding the Fourth Proportional to 103,868.64, 155,767.68 and 33,730.56

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Solution

The fourth proportional to 103,868.64, 155,767.68 and 33,730.56 is: 50,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,868.64 : 155,767.68 = 33,730.56 : x
  2. Step 2: Convert to fraction form
    103,868.64/155,767.68 = 33,730.56/x
  3. Step 3: Cross multiply
    103,868.64x = 155,767.68 × 33,730.56
  4. Step 4: Simplify right side
    103,868.64x = 5,254,131,076.30
  5. Step 5: Solve for x
    x = 5,254,131,076.30/103,868.64
  6. Step 6: Final answer
    x = 50,584.38

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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.