Home / 103,385.10-155,104.65-33,266.10

Finding the Fourth Proportional to 103,385.10, 155,104.65 and 33,266.10

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Solution

The fourth proportional to 103,385.10, 155,104.65 and 33,266.10 is: 49,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,385.10 : 155,104.65 = 33,266.10 : x
  2. Step 2: Convert to fraction form
    103,385.10/155,104.65 = 33,266.10/x
  3. Step 3: Cross multiply
    103,385.10x = 155,104.65 × 33,266.10
  4. Step 4: Simplify right side
    103,385.10x = 5,159,726,797.37
  5. Step 5: Solve for x
    x = 5,159,726,797.37/103,385.10
  6. Step 6: Final answer
    x = 49,907.84

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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.