Home / 105,853.92-146,072.96-62,835.23

Finding the Fourth Proportional to 105,853.92, 146,072.96 and 62,835.23

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Solution

The fourth proportional to 105,853.92, 146,072.96 and 62,835.23 is: 86,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,853.92 : 146,072.96 = 62,835.23 : x
  2. Step 2: Convert to fraction form
    105,853.92/146,072.96 = 62,835.23/x
  3. Step 3: Cross multiply
    105,853.92x = 146,072.96 × 62,835.23
  4. Step 4: Simplify right side
    105,853.92x = 9,178,526,993.84
  5. Step 5: Solve for x
    x = 9,178,526,993.84/105,853.92
  6. Step 6: Final answer
    x = 86,709.37

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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.