Home / 82,261.80-123,450.30-35,548.20

Finding the Fourth Proportional to 82,261.80, 123,450.30 and 35,548.20

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Solution

The fourth proportional to 82,261.80, 123,450.30 and 35,548.20 is: 53,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,261.80 : 123,450.30 = 35,548.20 : x
  2. Step 2: Convert to fraction form
    82,261.80/123,450.30 = 35,548.20/x
  3. Step 3: Cross multiply
    82,261.80x = 123,450.30 × 35,548.20
  4. Step 4: Simplify right side
    82,261.80x = 4,388,435,954.46
  5. Step 5: Solve for x
    x = 4,388,435,954.46/82,261.80
  6. Step 6: Final answer
    x = 53,347.19

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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.