Home / 104,936.53-144,808.18-57,188.85

Finding the Fourth Proportional to 104,936.53, 144,808.18 and 57,188.85

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Solution

The fourth proportional to 104,936.53, 144,808.18 and 57,188.85 is: 78,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,936.53 : 144,808.18 = 57,188.85 : x
  2. Step 2: Convert to fraction form
    104,936.53/144,808.18 = 57,188.85/x
  3. Step 3: Cross multiply
    104,936.53x = 144,808.18 × 57,188.85
  4. Step 4: Simplify right side
    104,936.53x = 8,281,413,284.79
  5. Step 5: Solve for x
    x = 8,281,413,284.79/104,936.53
  6. Step 6: Final answer
    x = 78,918.31

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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.