Home / 77,075.33-115,611.35-35,522.33

Finding the Fourth Proportional to 77,075.33, 115,611.35 and 35,522.33

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Solution

The fourth proportional to 77,075.33, 115,611.35 and 35,522.33 is: 53,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,075.33 : 115,611.35 = 35,522.33 : x
  2. Step 2: Convert to fraction form
    77,075.33/115,611.35 = 35,522.33/x
  3. Step 3: Cross multiply
    77,075.33x = 115,611.35 × 35,522.33
  4. Step 4: Simplify right side
    77,075.33x = 4,106,783,770.78
  5. Step 5: Solve for x
    x = 4,106,783,770.78/77,075.33
  6. Step 6: Final answer
    x = 53,282.73

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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.