Home / 104,933.16-144,808.44-57,186.36

Finding the Fourth Proportional to 104,933.16, 144,808.44 and 57,186.36

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Solution

The fourth proportional to 104,933.16, 144,808.44 and 57,186.36 is: 78,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,933.16 : 144,808.44 = 57,186.36 : x
  2. Step 2: Convert to fraction form
    104,933.16/144,808.44 = 57,186.36/x
  3. Step 3: Cross multiply
    104,933.16x = 144,808.44 × 57,186.36
  4. Step 4: Simplify right side
    104,933.16x = 8,281,067,580.88
  5. Step 5: Solve for x
    x = 8,281,067,580.88/104,933.16
  6. Step 6: Final answer
    x = 78,917.55

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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.