Home / 107,843.48-161,614.98-55,141.64

Finding the Fourth Proportional to 107,843.48, 161,614.98 and 55,141.64

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Solution

The fourth proportional to 107,843.48, 161,614.98 and 55,141.64 is: 82,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,843.48 : 161,614.98 = 55,141.64 : x
  2. Step 2: Convert to fraction form
    107,843.48/161,614.98 = 55,141.64/x
  3. Step 3: Cross multiply
    107,843.48x = 161,614.98 × 55,141.64
  4. Step 4: Simplify right side
    107,843.48x = 8,911,715,045.77
  5. Step 5: Solve for x
    x = 8,911,715,045.77/107,843.48
  6. Step 6: Final answer
    x = 82,635.64

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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.