Home / 103,678.26-155,515.56-33,557.64

Finding the Fourth Proportional to 103,678.26, 155,515.56 and 33,557.64

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Solution

The fourth proportional to 103,678.26, 155,515.56 and 33,557.64 is: 50,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678.26 : 155,515.56 = 33,557.64 : x
  2. Step 2: Convert to fraction form
    103,678.26/155,515.56 = 33,557.64/x
  3. Step 3: Cross multiply
    103,678.26x = 155,515.56 × 33,557.64
  4. Step 4: Simplify right side
    103,678.26x = 5,218,735,176.88
  5. Step 5: Solve for x
    x = 5,218,735,176.88/103,678.26
  6. Step 6: Final answer
    x = 50,335.87

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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.