Home / 69,378.29-104,068.04-16,787.82

Finding the Fourth Proportional to 69,378.29, 104,068.04 and 16,787.82

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Solution

The fourth proportional to 69,378.29, 104,068.04 and 16,787.82 is: 25,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,378.29 : 104,068.04 = 16,787.82 : x
  2. Step 2: Convert to fraction form
    69,378.29/104,068.04 = 16,787.82/x
  3. Step 3: Cross multiply
    69,378.29x = 104,068.04 × 16,787.82
  4. Step 4: Simplify right side
    69,378.29x = 1,747,075,523.27
  5. Step 5: Solve for x
    x = 1,747,075,523.27/69,378.29
  6. Step 6: Final answer
    x = 25,181.88

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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.