Home / 105,852.92-146,072.43-58,107.06

Finding the Fourth Proportional to 105,852.92, 146,072.43 and 58,107.06

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Solution

The fourth proportional to 105,852.92, 146,072.43 and 58,107.06 is: 80,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,852.92 : 146,072.43 = 58,107.06 : x
  2. Step 2: Convert to fraction form
    105,852.92/146,072.43 = 58,107.06/x
  3. Step 3: Cross multiply
    105,852.92x = 146,072.43 × 58,107.06
  4. Step 4: Simplify right side
    105,852.92x = 8,487,839,454.36
  5. Step 5: Solve for x
    x = 8,487,839,454.36/105,852.92
  6. Step 6: Final answer
    x = 80,185.22

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1.5x scale

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.