Home / 74,629.50-103,076.19-49,435.26

Finding the Fourth Proportional to 74,629.50, 103,076.19 and 49,435.26

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Solution

The fourth proportional to 74,629.50, 103,076.19 and 49,435.26 is: 68,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,629.50 : 103,076.19 = 49,435.26 : x
  2. Step 2: Convert to fraction form
    74,629.50/103,076.19 = 49,435.26/x
  3. Step 3: Cross multiply
    74,629.50x = 103,076.19 × 49,435.26
  4. Step 4: Simplify right side
    74,629.50x = 5,095,598,252.46
  5. Step 5: Solve for x
    x = 5,095,598,252.46/74,629.50
  6. Step 6: Final answer
    x = 68,278.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.