Home / 107,651.33-161,493.40-55,043.05

Finding the Fourth Proportional to 107,651.33, 161,493.40 and 55,043.05

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Solution

The fourth proportional to 107,651.33, 161,493.40 and 55,043.05 is: 82,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,651.33 : 161,493.40 = 55,043.05 : x
  2. Step 2: Convert to fraction form
    107,651.33/161,493.40 = 55,043.05/x
  3. Step 3: Cross multiply
    107,651.33x = 161,493.40 × 55,043.05
  4. Step 4: Simplify right side
    107,651.33x = 8,889,088,483.40
  5. Step 5: Solve for x
    x = 8,889,088,483.40/107,651.33
  6. Step 6: Final answer
    x = 82,572.96

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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.