Home / 81,884.06-122,629.25-46,717.10

Finding the Fourth Proportional to 81,884.06, 122,629.25 and 46,717.10

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Solution

The fourth proportional to 81,884.06, 122,629.25 and 46,717.10 is: 69,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,884.06 : 122,629.25 = 46,717.10 : x
  2. Step 2: Convert to fraction form
    81,884.06/122,629.25 = 46,717.10/x
  3. Step 3: Cross multiply
    81,884.06x = 122,629.25 × 46,717.10
  4. Step 4: Simplify right side
    81,884.06x = 5,728,882,935.18
  5. Step 5: Solve for x
    x = 5,728,882,935.18/81,884.06
  6. Step 6: Final answer
    x = 69,963.35

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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.