Home / 106,120.81-146,443.77-58,374.25

Finding the Fourth Proportional to 106,120.81, 146,443.77 and 58,374.25

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Solution

The fourth proportional to 106,120.81, 146,443.77 and 58,374.25 is: 80,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,120.81 : 146,443.77 = 58,374.25 : x
  2. Step 2: Convert to fraction form
    106,120.81/146,443.77 = 58,374.25/x
  3. Step 3: Cross multiply
    106,120.81x = 146,443.77 × 58,374.25
  4. Step 4: Simplify right side
    106,120.81x = 8,548,545,240.92
  5. Step 5: Solve for x
    x = 8,548,545,240.92/106,120.81
  6. Step 6: Final answer
    x = 80,554.84

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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.