Home / 103,670.20-155,466.24-33,530.68

Finding the Fourth Proportional to 103,670.20, 155,466.24 and 33,530.68

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Solution

The fourth proportional to 103,670.20, 155,466.24 and 33,530.68 is: 50,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.20 : 155,466.24 = 33,530.68 : x
  2. Step 2: Convert to fraction form
    103,670.20/155,466.24 = 33,530.68/x
  3. Step 3: Cross multiply
    103,670.20x = 155,466.24 × 33,530.68
  4. Step 4: Simplify right side
    103,670.20x = 5,212,888,744.24
  5. Step 5: Solve for x
    x = 5,212,888,744.24/103,670.20
  6. Step 6: Final answer
    x = 50,283.39

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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.