Home / 75,092.46-103,075.49-66,404.19

Finding the Fourth Proportional to 75,092.46, 103,075.49 and 66,404.19

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Solution

The fourth proportional to 75,092.46, 103,075.49 and 66,404.19 is: 91,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,092.46 : 103,075.49 = 66,404.19 : x
  2. Step 2: Convert to fraction form
    75,092.46/103,075.49 = 66,404.19/x
  3. Step 3: Cross multiply
    75,092.46x = 103,075.49 × 66,404.19
  4. Step 4: Simplify right side
    75,092.46x = 6,844,644,422.30
  5. Step 5: Solve for x
    x = 6,844,644,422.30/75,092.46
  6. Step 6: Final answer
    x = 91,149.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.