Home / 103,121.28-154,690.08-33,000.60

Finding the Fourth Proportional to 103,121.28, 154,690.08 and 33,000.60

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Solution

The fourth proportional to 103,121.28, 154,690.08 and 33,000.60 is: 49,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,121.28 : 154,690.08 = 33,000.60 : x
  2. Step 2: Convert to fraction form
    103,121.28/154,690.08 = 33,000.60/x
  3. Step 3: Cross multiply
    103,121.28x = 154,690.08 × 33,000.60
  4. Step 4: Simplify right side
    103,121.28x = 5,104,865,454.05
  5. Step 5: Solve for x
    x = 5,104,865,454.05/103,121.28
  6. Step 6: Final answer
    x = 49,503.51

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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.