Home / 97,986.26-146,862.75-68,243.06

Finding the Fourth Proportional to 97,986.26, 146,862.75 and 68,243.06

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Solution

The fourth proportional to 97,986.26, 146,862.75 and 68,243.06 is: 102,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,986.26 : 146,862.75 = 68,243.06 : x
  2. Step 2: Convert to fraction form
    97,986.26/146,862.75 = 68,243.06/x
  3. Step 3: Cross multiply
    97,986.26x = 146,862.75 × 68,243.06
  4. Step 4: Simplify right side
    97,986.26x = 10,022,363,460.02
  5. Step 5: Solve for x
    x = 10,022,363,460.02/97,986.26
  6. Step 6: Final answer
    x = 102,283.36

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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.