Home / 102,964.71-154,287.09-49,599.21

Finding the Fourth Proportional to 102,964.71, 154,287.09 and 49,599.21

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Solution

The fourth proportional to 102,964.71, 154,287.09 and 49,599.21 is: 74,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,964.71 : 154,287.09 = 49,599.21 : x
  2. Step 2: Convert to fraction form
    102,964.71/154,287.09 = 49,599.21/x
  3. Step 3: Cross multiply
    102,964.71x = 154,287.09 × 49,599.21
  4. Step 4: Simplify right side
    102,964.71x = 7,652,517,777.20
  5. Step 5: Solve for x
    x = 7,652,517,777.20/102,964.71
  6. Step 6: Final answer
    x = 74,321.75

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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.