Home / 69,428.12-104,068.74-22,668.44

Finding the Fourth Proportional to 69,428.12, 104,068.74 and 22,668.44

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Solution

The fourth proportional to 69,428.12, 104,068.74 and 22,668.44 is: 33,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,428.12 : 104,068.74 = 22,668.44 : x
  2. Step 2: Convert to fraction form
    69,428.12/104,068.74 = 22,668.44/x
  3. Step 3: Cross multiply
    69,428.12x = 104,068.74 × 22,668.44
  4. Step 4: Simplify right side
    69,428.12x = 2,359,075,988.57
  5. Step 5: Solve for x
    x = 2,359,075,988.57/69,428.12
  6. Step 6: Final answer
    x = 33,978.68

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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.