Home / 106,189.94-146,539.42-57,789.81

Finding the Fourth Proportional to 106,189.94, 146,539.42 and 57,789.81

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Solution

The fourth proportional to 106,189.94, 146,539.42 and 57,789.81 is: 79,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,189.94 : 146,539.42 = 57,789.81 : x
  2. Step 2: Convert to fraction form
    106,189.94/146,539.42 = 57,789.81/x
  3. Step 3: Cross multiply
    106,189.94x = 146,539.42 × 57,789.81
  4. Step 4: Simplify right side
    106,189.94x = 8,468,485,239.31
  5. Step 5: Solve for x
    x = 8,468,485,239.31/106,189.94
  6. Step 6: Final answer
    x = 79,748.47

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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.