Home / 120,942.81-181,414.62-36,703.68

Finding the Fourth Proportional to 120,942.81, 181,414.62 and 36,703.68

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Solution

The fourth proportional to 120,942.81, 181,414.62 and 36,703.68 is: 55,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,942.81 : 181,414.62 = 36,703.68 : x
  2. Step 2: Convert to fraction form
    120,942.81/181,414.62 = 36,703.68/x
  3. Step 3: Cross multiply
    120,942.81x = 181,414.62 × 36,703.68
  4. Step 4: Simplify right side
    120,942.81x = 6,658,584,159.80
  5. Step 5: Solve for x
    x = 6,658,584,159.80/120,942.81
  6. Step 6: Final answer
    x = 55,055.64

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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.