Home / 49,664.73-74,497.19-12,225.51

Finding the Fourth Proportional to 49,664.73, 74,497.19 and 12,225.51

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Solution

The fourth proportional to 49,664.73, 74,497.19 and 12,225.51 is: 18,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,664.73 : 74,497.19 = 12,225.51 : x
  2. Step 2: Convert to fraction form
    49,664.73/74,497.19 = 12,225.51/x
  3. Step 3: Cross multiply
    49,664.73x = 74,497.19 × 12,225.51
  4. Step 4: Simplify right side
    49,664.73x = 910,766,080.19
  5. Step 5: Solve for x
    x = 910,766,080.19/49,664.73
  6. Step 6: Final answer
    x = 18,338.29

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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.