Home / 103,624.20-155,321.10-44,449.80

Finding the Fourth Proportional to 103,624.20, 155,321.10 and 44,449.80

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Solution

The fourth proportional to 103,624.20, 155,321.10 and 44,449.80 is: 66,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.20 : 155,321.10 = 44,449.80 : x
  2. Step 2: Convert to fraction form
    103,624.20/155,321.10 = 44,449.80/x
  3. Step 3: Cross multiply
    103,624.20x = 155,321.10 × 44,449.80
  4. Step 4: Simplify right side
    103,624.20x = 6,903,991,830.78
  5. Step 5: Solve for x
    x = 6,903,991,830.78/103,624.20
  6. Step 6: Final answer
    x = 66,625.28

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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.