Home / 82,211.40-123,317.64-44,808.84

Finding the Fourth Proportional to 82,211.40, 123,317.64 and 44,808.84

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Solution

The fourth proportional to 82,211.40, 123,317.64 and 44,808.84 is: 67,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,211.40 : 123,317.64 = 44,808.84 : x
  2. Step 2: Convert to fraction form
    82,211.40/123,317.64 = 44,808.84/x
  3. Step 3: Cross multiply
    82,211.40x = 123,317.64 × 44,808.84
  4. Step 4: Simplify right side
    82,211.40x = 5,525,720,399.94
  5. Step 5: Solve for x
    x = 5,525,720,399.94/82,211.40
  6. Step 6: Final answer
    x = 67,213.55

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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.