Home / 65,982.06-90,936.27-48,048.66

Finding the Fourth Proportional to 65,982.06, 90,936.27 and 48,048.66

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Solution

The fourth proportional to 65,982.06, 90,936.27 and 48,048.66 is: 66,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,982.06 : 90,936.27 = 48,048.66 : x
  2. Step 2: Convert to fraction form
    65,982.06/90,936.27 = 48,048.66/x
  3. Step 3: Cross multiply
    65,982.06x = 90,936.27 × 48,048.66
  4. Step 4: Simplify right side
    65,982.06x = 4,369,365,918.90
  5. Step 5: Solve for x
    x = 4,369,365,918.90/65,982.06
  6. Step 6: Final answer
    x = 66,220.51

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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.