Home / 111,840.03-154,339.24-61,539.03

Finding the Fourth Proportional to 111,840.03, 154,339.24 and 61,539.03

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Solution

The fourth proportional to 111,840.03, 154,339.24 and 61,539.03 is: 84,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,840.03 : 154,339.24 = 61,539.03 : x
  2. Step 2: Convert to fraction form
    111,840.03/154,339.24 = 61,539.03/x
  3. Step 3: Cross multiply
    111,840.03x = 154,339.24 × 61,539.03
  4. Step 4: Simplify right side
    111,840.03x = 9,497,887,120.54
  5. Step 5: Solve for x
    x = 9,497,887,120.54/111,840.03
  6. Step 6: Final answer
    x = 84,923.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.