Home / 104,840.82-144,675.72-57,091.32

Finding the Fourth Proportional to 104,840.82, 144,675.72 and 57,091.32

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Solution

The fourth proportional to 104,840.82, 144,675.72 and 57,091.32 is: 78,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,840.82 : 144,675.72 = 57,091.32 : x
  2. Step 2: Convert to fraction form
    104,840.82/144,675.72 = 57,091.32/x
  3. Step 3: Cross multiply
    104,840.82x = 144,675.72 × 57,091.32
  4. Step 4: Simplify right side
    104,840.82x = 8,259,727,826.75
  5. Step 5: Solve for x
    x = 8,259,727,826.75/104,840.82
  6. Step 6: Final answer
    x = 78,783.51

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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.