Home / 105,816.33-146,030.73-58,071.37

Finding the Fourth Proportional to 105,816.33, 146,030.73 and 58,071.37

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Solution

The fourth proportional to 105,816.33, 146,030.73 and 58,071.37 is: 80,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,816.33 : 146,030.73 = 58,071.37 : x
  2. Step 2: Convert to fraction form
    105,816.33/146,030.73 = 58,071.37/x
  3. Step 3: Cross multiply
    105,816.33x = 146,030.73 × 58,071.37
  4. Step 4: Simplify right side
    105,816.33x = 8,480,204,553.20
  5. Step 5: Solve for x
    x = 8,480,204,553.20/105,816.33
  6. Step 6: Final answer
    x = 80,140.79

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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.