Home / 103,669.20-155,388.60-44,494.80

Finding the Fourth Proportional to 103,669.20, 155,388.60 and 44,494.80

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Solution

The fourth proportional to 103,669.20, 155,388.60 and 44,494.80 is: 66,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.20 : 155,388.60 = 44,494.80 : x
  2. Step 2: Convert to fraction form
    103,669.20/155,388.60 = 44,494.80/x
  3. Step 3: Cross multiply
    103,669.20x = 155,388.60 × 44,494.80
  4. Step 4: Simplify right side
    103,669.20x = 6,913,984,679.28
  5. Step 5: Solve for x
    x = 6,913,984,679.28/103,669.20
  6. Step 6: Final answer
    x = 66,692.76

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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.