Home / 53,757.88-80,679.48-28,816.36

Finding the Fourth Proportional to 53,757.88, 80,679.48 and 28,816.36

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Solution

The fourth proportional to 53,757.88, 80,679.48 and 28,816.36 is: 43,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,757.88 : 80,679.48 = 28,816.36 : x
  2. Step 2: Convert to fraction form
    53,757.88/80,679.48 = 28,816.36/x
  3. Step 3: Cross multiply
    53,757.88x = 80,679.48 × 28,816.36
  4. Step 4: Simplify right side
    53,757.88x = 2,324,888,940.29
  5. Step 5: Solve for x
    x = 2,324,888,940.29/53,757.88
  6. Step 6: Final answer
    x = 43,247.41

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1.5x scale

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.