Home / 111,840.75-154,340.24-61,539.75

Finding the Fourth Proportional to 111,840.75, 154,340.24 and 61,539.75

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Solution

The fourth proportional to 111,840.75, 154,340.24 and 61,539.75 is: 84,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,840.75 : 154,340.24 = 61,539.75 : x
  2. Step 2: Convert to fraction form
    111,840.75/154,340.24 = 61,539.75/x
  3. Step 3: Cross multiply
    111,840.75x = 154,340.24 × 61,539.75
  4. Step 4: Simplify right side
    111,840.75x = 9,498,059,476.84
  5. Step 5: Solve for x
    x = 9,498,059,476.84/111,840.75
  6. Step 6: Final answer
    x = 84,924.86

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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.