Home / 52,736.40-79,104.60-21,564.36

Finding the Fourth Proportional to 52,736.40, 79,104.60 and 21,564.36

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Solution

The fourth proportional to 52,736.40, 79,104.60 and 21,564.36 is: 32,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,736.40 : 79,104.60 = 21,564.36 : x
  2. Step 2: Convert to fraction form
    52,736.40/79,104.60 = 21,564.36/x
  3. Step 3: Cross multiply
    52,736.40x = 79,104.60 × 21,564.36
  4. Step 4: Simplify right side
    52,736.40x = 1,705,840,072.06
  5. Step 5: Solve for x
    x = 1,705,840,072.06/52,736.40
  6. Step 6: Final answer
    x = 32,346.54

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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.