Home / 55,519.53-83,242.31-30,571.33

Finding the Fourth Proportional to 55,519.53, 83,242.31 and 30,571.33

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Solution

The fourth proportional to 55,519.53, 83,242.31 and 30,571.33 is: 45,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519.53 : 83,242.31 = 30,571.33 : x
  2. Step 2: Convert to fraction form
    55,519.53/83,242.31 = 30,571.33/x
  3. Step 3: Cross multiply
    55,519.53x = 83,242.31 × 30,571.33
  4. Step 4: Simplify right side
    55,519.53x = 2,544,827,559.90
  5. Step 5: Solve for x
    x = 2,544,827,559.90/55,519.53
  6. Step 6: Final answer
    x = 45,836.62

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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.