Home / 53,204.12-79,806-15,764.48

Finding the Fourth Proportional to 53,204.12, 79,806 and 15,764.48

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Solution

The fourth proportional to 53,204.12, 79,806 and 15,764.48 is: 23,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,204.12 : 79,806 = 15,764.48 : x
  2. Step 2: Convert to fraction form
    53,204.12/79,806 = 15,764.48/x
  3. Step 3: Cross multiply
    53,204.12x = 79,806 × 15,764.48
  4. Step 4: Simplify right side
    53,204.12x = 1,258,100,090.88
  5. Step 5: Solve for x
    x = 1,258,100,090.88/53,204.12
  6. Step 6: Final answer
    x = 23,646.67

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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.