Home / 105,816.92-146,022.75-58,071.06

Finding the Fourth Proportional to 105,816.92, 146,022.75 and 58,071.06

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Solution

The fourth proportional to 105,816.92, 146,022.75 and 58,071.06 is: 80,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,816.92 : 146,022.75 = 58,071.06 : x
  2. Step 2: Convert to fraction form
    105,816.92/146,022.75 = 58,071.06/x
  3. Step 3: Cross multiply
    105,816.92x = 146,022.75 × 58,071.06
  4. Step 4: Simplify right side
    105,816.92x = 8,479,695,876.62
  5. Step 5: Solve for x
    x = 8,479,695,876.62/105,816.92
  6. Step 6: Final answer
    x = 80,135.54

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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.