Home / 105,979.66-158,997.44-61,563.72

Finding the Fourth Proportional to 105,979.66, 158,997.44 and 61,563.72

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Solution

The fourth proportional to 105,979.66, 158,997.44 and 61,563.72 is: 92,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,979.66 : 158,997.44 = 61,563.72 : x
  2. Step 2: Convert to fraction form
    105,979.66/158,997.44 = 61,563.72/x
  3. Step 3: Cross multiply
    105,979.66x = 158,997.44 × 61,563.72
  4. Step 4: Simplify right side
    105,979.66x = 9,788,473,876.88
  5. Step 5: Solve for x
    x = 9,788,473,876.88/105,979.66
  6. Step 6: Final answer
    x = 92,361.82

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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.