Home / 55,209.69-82,707.62-33,040.53

Finding the Fourth Proportional to 55,209.69, 82,707.62 and 33,040.53

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Solution

The fourth proportional to 55,209.69, 82,707.62 and 33,040.53 is: 49,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209.69 : 82,707.62 = 33,040.53 : x
  2. Step 2: Convert to fraction form
    55,209.69/82,707.62 = 33,040.53/x
  3. Step 3: Cross multiply
    55,209.69x = 82,707.62 × 33,040.53
  4. Step 4: Simplify right side
    55,209.69x = 2,732,703,434.64
  5. Step 5: Solve for x
    x = 2,732,703,434.64/55,209.69
  6. Step 6: Final answer
    x = 49,496.81

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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.