Home / 103,625.52-155,399.40-33,486

Finding the Fourth Proportional to 103,625.52, 155,399.40 and 33,486

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Solution

The fourth proportional to 103,625.52, 155,399.40 and 33,486 is: 50,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.52 : 155,399.40 = 33,486 : x
  2. Step 2: Convert to fraction form
    103,625.52/155,399.40 = 33,486/x
  3. Step 3: Cross multiply
    103,625.52x = 155,399.40 × 33,486
  4. Step 4: Simplify right side
    103,625.52x = 5,203,704,308.40
  5. Step 5: Solve for x
    x = 5,203,704,308.40/103,625.52
  6. Step 6: Final answer
    x = 50,216.44

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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.