Home / 103,670.20-155,505.30-33,599.80

Finding the Fourth Proportional to 103,670.20, 155,505.30 and 33,599.80

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Solution

The fourth proportional to 103,670.20, 155,505.30 and 33,599.80 is: 50,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.20 : 155,505.30 = 33,599.80 : x
  2. Step 2: Convert to fraction form
    103,670.20/155,505.30 = 33,599.80/x
  3. Step 3: Cross multiply
    103,670.20x = 155,505.30 × 33,599.80
  4. Step 4: Simplify right side
    103,670.20x = 5,224,946,978.94
  5. Step 5: Solve for x
    x = 5,224,946,978.94/103,670.20
  6. Step 6: Final answer
    x = 50,399.70

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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.