Home / 69,165.50-103,774.40-27,075.66

Finding the Fourth Proportional to 69,165.50, 103,774.40 and 27,075.66

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Solution

The fourth proportional to 69,165.50, 103,774.40 and 27,075.66 is: 40,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,165.50 : 103,774.40 = 27,075.66 : x
  2. Step 2: Convert to fraction form
    69,165.50/103,774.40 = 27,075.66/x
  3. Step 3: Cross multiply
    69,165.50x = 103,774.40 × 27,075.66
  4. Step 4: Simplify right side
    69,165.50x = 2,809,760,371.10
  5. Step 5: Solve for x
    x = 2,809,760,371.10/69,165.50
  6. Step 6: Final answer
    x = 40,623.73

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1.5x scale

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.