Home / 55,610.43-83,378.78-30,662.43

Finding the Fourth Proportional to 55,610.43, 83,378.78 and 30,662.43

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Solution

The fourth proportional to 55,610.43, 83,378.78 and 30,662.43 is: 45,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.43 : 83,378.78 = 30,662.43 : x
  2. Step 2: Convert to fraction form
    55,610.43/83,378.78 = 30,662.43/x
  3. Step 3: Cross multiply
    55,610.43x = 83,378.78 × 30,662.43
  4. Step 4: Simplify right side
    55,610.43x = 2,556,596,005.24
  5. Step 5: Solve for x
    x = 2,556,596,005.24/55,610.43
  6. Step 6: Final answer
    x = 45,973.32

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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.