Home / 105,825.76-146,039.43-58,079.23

Finding the Fourth Proportional to 105,825.76, 146,039.43 and 58,079.23

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Solution

The fourth proportional to 105,825.76, 146,039.43 and 58,079.23 is: 80,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,825.76 : 146,039.43 = 58,079.23 : x
  2. Step 2: Convert to fraction form
    105,825.76/146,039.43 = 58,079.23/x
  3. Step 3: Cross multiply
    105,825.76x = 146,039.43 × 58,079.23
  4. Step 4: Simplify right side
    105,825.76x = 8,481,857,644.04
  5. Step 5: Solve for x
    x = 8,481,857,644.04/105,825.76
  6. Step 6: Final answer
    x = 80,149.27

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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.