Home / 82,642.49-123,914.46-32,729.75

Finding the Fourth Proportional to 82,642.49, 123,914.46 and 32,729.75

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Solution

The fourth proportional to 82,642.49, 123,914.46 and 32,729.75 is: 49,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,642.49 : 123,914.46 = 32,729.75 : x
  2. Step 2: Convert to fraction form
    82,642.49/123,914.46 = 32,729.75/x
  3. Step 3: Cross multiply
    82,642.49x = 123,914.46 × 32,729.75
  4. Step 4: Simplify right side
    82,642.49x = 4,055,689,297.19
  5. Step 5: Solve for x
    x = 4,055,689,297.19/82,642.49
  6. Step 6: Final answer
    x = 49,075.11

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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.