Home / 110,436.80-165,656.64-31,553.60

Finding the Fourth Proportional to 110,436.80, 165,656.64 and 31,553.60

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Solution

The fourth proportional to 110,436.80, 165,656.64 and 31,553.60 is: 47,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,436.80 : 165,656.64 = 31,553.60 : x
  2. Step 2: Convert to fraction form
    110,436.80/165,656.64 = 31,553.60/x
  3. Step 3: Cross multiply
    110,436.80x = 165,656.64 × 31,553.60
  4. Step 4: Simplify right side
    110,436.80x = 5,227,063,355.90
  5. Step 5: Solve for x
    x = 5,227,063,355.90/110,436.80
  6. Step 6: Final answer
    x = 47,330.81

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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.