Home / 111,111.12-166,684.01-36,213.89

Finding the Fourth Proportional to 111,111.12, 166,684.01 and 36,213.89

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Solution

The fourth proportional to 111,111.12, 166,684.01 and 36,213.89 is: 54,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,111.12 : 166,684.01 = 36,213.89 : x
  2. Step 2: Convert to fraction form
    111,111.12/166,684.01 = 36,213.89/x
  3. Step 3: Cross multiply
    111,111.12x = 166,684.01 × 36,213.89
  4. Step 4: Simplify right side
    111,111.12x = 6,036,275,388.41
  5. Step 5: Solve for x
    x = 6,036,275,388.41/111,111.12
  6. Step 6: Final answer
    x = 54,326.47

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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.