Home / 90,775.46-136,163.12-27,596.10

Finding the Fourth Proportional to 90,775.46, 136,163.12 and 27,596.10

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Solution

The fourth proportional to 90,775.46, 136,163.12 and 27,596.10 is: 41,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,775.46 : 136,163.12 = 27,596.10 : x
  2. Step 2: Convert to fraction form
    90,775.46/136,163.12 = 27,596.10/x
  3. Step 3: Cross multiply
    90,775.46x = 136,163.12 × 27,596.10
  4. Step 4: Simplify right side
    90,775.46x = 3,757,571,075.83
  5. Step 5: Solve for x
    x = 3,757,571,075.83/90,775.46
  6. Step 6: Final answer
    x = 41,394.13

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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.