Home / 117,991.23-162,822.62-68,937.38

Finding the Fourth Proportional to 117,991.23, 162,822.62 and 68,937.38

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Solution

The fourth proportional to 117,991.23, 162,822.62 and 68,937.38 is: 95,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,991.23 : 162,822.62 = 68,937.38 : x
  2. Step 2: Convert to fraction form
    117,991.23/162,822.62 = 68,937.38/x
  3. Step 3: Cross multiply
    117,991.23x = 162,822.62 × 68,937.38
  4. Step 4: Simplify right side
    117,991.23x = 11,224,564,796.35
  5. Step 5: Solve for x
    x = 11,224,564,796.35/117,991.23
  6. Step 6: Final answer
    x = 95,130.50

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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.