Home / 120,982.24-181,315.44-61,767.84

Finding the Fourth Proportional to 120,982.24, 181,315.44 and 61,767.84

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Solution

The fourth proportional to 120,982.24, 181,315.44 and 61,767.84 is: 92,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,982.24 : 181,315.44 = 61,767.84 : x
  2. Step 2: Convert to fraction form
    120,982.24/181,315.44 = 61,767.84/x
  3. Step 3: Cross multiply
    120,982.24x = 181,315.44 × 61,767.84
  4. Step 4: Simplify right side
    120,982.24x = 11,199,463,087.45
  5. Step 5: Solve for x
    x = 11,199,463,087.45/120,982.24
  6. Step 6: Final answer
    x = 92,571.13

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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.