Home / 103,620.63-155,456.46-33,499.95

Finding the Fourth Proportional to 103,620.63, 155,456.46 and 33,499.95

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Solution

The fourth proportional to 103,620.63, 155,456.46 and 33,499.95 is: 50,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,620.63 : 155,456.46 = 33,499.95 : x
  2. Step 2: Convert to fraction form
    103,620.63/155,456.46 = 33,499.95/x
  3. Step 3: Cross multiply
    103,620.63x = 155,456.46 × 33,499.95
  4. Step 4: Simplify right side
    103,620.63x = 5,207,783,637.18
  5. Step 5: Solve for x
    x = 5,207,783,637.18/103,620.63
  6. Step 6: Final answer
    x = 50,258.17

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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.