Home / 45,950.69-68,935.25-20,984.03

Finding the Fourth Proportional to 45,950.69, 68,935.25 and 20,984.03

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Solution

The fourth proportional to 45,950.69, 68,935.25 and 20,984.03 is: 31,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,950.69 : 68,935.25 = 20,984.03 : x
  2. Step 2: Convert to fraction form
    45,950.69/68,935.25 = 20,984.03/x
  3. Step 3: Cross multiply
    45,950.69x = 68,935.25 × 20,984.03
  4. Step 4: Simplify right side
    45,950.69x = 1,446,539,061.84
  5. Step 5: Solve for x
    x = 1,446,539,061.84/45,950.69
  6. Step 6: Final answer
    x = 31,480.25

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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.