Home / 69,192.30-103,827.90-27,075.78

Finding the Fourth Proportional to 69,192.30, 103,827.90 and 27,075.78

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Solution

The fourth proportional to 69,192.30, 103,827.90 and 27,075.78 is: 40,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192.30 : 103,827.90 = 27,075.78 : x
  2. Step 2: Convert to fraction form
    69,192.30/103,827.90 = 27,075.78/x
  3. Step 3: Cross multiply
    69,192.30x = 103,827.90 × 27,075.78
  4. Step 4: Simplify right side
    69,192.30x = 2,811,221,378.26
  5. Step 5: Solve for x
    x = 2,811,221,378.26/69,192.30
  6. Step 6: Final answer
    x = 40,629.11

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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.