Home / 97,986.78-146,986.85-38,822.36

Finding the Fourth Proportional to 97,986.78, 146,986.85 and 38,822.36

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Solution

The fourth proportional to 97,986.78, 146,986.85 and 38,822.36 is: 58,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,986.78 : 146,986.85 = 38,822.36 : x
  2. Step 2: Convert to fraction form
    97,986.78/146,986.85 = 38,822.36/x
  3. Step 3: Cross multiply
    97,986.78x = 146,986.85 × 38,822.36
  4. Step 4: Simplify right side
    97,986.78x = 5,706,375,768.09
  5. Step 5: Solve for x
    x = 5,706,375,768.09/97,986.78
  6. Step 6: Final answer
    x = 58,236.18

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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.