Home / 53,209.26-79,821.64-15,764.48

Finding the Fourth Proportional to 53,209.26, 79,821.64 and 15,764.48

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Solution

The fourth proportional to 53,209.26, 79,821.64 and 15,764.48 is: 23,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209.26 : 79,821.64 = 15,764.48 : x
  2. Step 2: Convert to fraction form
    53,209.26/79,821.64 = 15,764.48/x
  3. Step 3: Cross multiply
    53,209.26x = 79,821.64 × 15,764.48
  4. Step 4: Simplify right side
    53,209.26x = 1,258,346,478.60
  5. Step 5: Solve for x
    x = 1,258,346,478.60/53,209.26
  6. Step 6: Final answer
    x = 23,649.01

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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.