Home / 103,750.20-155,625.30-33,628.60

Finding the Fourth Proportional to 103,750.20, 155,625.30 and 33,628.60

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Solution

The fourth proportional to 103,750.20, 155,625.30 and 33,628.60 is: 50,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,750.20 : 155,625.30 = 33,628.60 : x
  2. Step 2: Convert to fraction form
    103,750.20/155,625.30 = 33,628.60/x
  3. Step 3: Cross multiply
    103,750.20x = 155,625.30 × 33,628.60
  4. Step 4: Simplify right side
    103,750.20x = 5,233,460,963.58
  5. Step 5: Solve for x
    x = 5,233,460,963.58/103,750.20
  6. Step 6: Final answer
    x = 50,442.90

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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.