Home / 68,950.24-103,423.30-19,033.38

Finding the Fourth Proportional to 68,950.24, 103,423.30 and 19,033.38

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Solution

The fourth proportional to 68,950.24, 103,423.30 and 19,033.38 is: 28,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,950.24 : 103,423.30 = 19,033.38 : x
  2. Step 2: Convert to fraction form
    68,950.24/103,423.30 = 19,033.38/x
  3. Step 3: Cross multiply
    68,950.24x = 103,423.30 × 19,033.38
  4. Step 4: Simplify right side
    68,950.24x = 1,968,494,922.17
  5. Step 5: Solve for x
    x = 1,968,494,922.17/68,950.24
  6. Step 6: Final answer
    x = 28,549.50

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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.