Home / 49,821.75-68,718.78-29,663.01

Finding the Fourth Proportional to 49,821.75, 68,718.78 and 29,663.01

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Solution

The fourth proportional to 49,821.75, 68,718.78 and 29,663.01 is: 40,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.75 : 68,718.78 = 29,663.01 : x
  2. Step 2: Convert to fraction form
    49,821.75/68,718.78 = 29,663.01/x
  3. Step 3: Cross multiply
    49,821.75x = 68,718.78 × 29,663.01
  4. Step 4: Simplify right side
    49,821.75x = 2,038,405,858.33
  5. Step 5: Solve for x
    x = 2,038,405,858.33/49,821.75
  6. Step 6: Final answer
    x = 40,913.98

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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.