Home / 55,701.09-83,556.56-15,720.43

Finding the Fourth Proportional to 55,701.09, 83,556.56 and 15,720.43

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Solution

The fourth proportional to 55,701.09, 83,556.56 and 15,720.43 is: 23,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.09 : 83,556.56 = 15,720.43 : x
  2. Step 2: Convert to fraction form
    55,701.09/83,556.56 = 15,720.43/x
  3. Step 3: Cross multiply
    55,701.09x = 83,556.56 × 15,720.43
  4. Step 4: Simplify right side
    55,701.09x = 1,313,545,052.52
  5. Step 5: Solve for x
    x = 1,313,545,052.52/55,701.09
  6. Step 6: Final answer
    x = 23,582.03

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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.