Home / 105,956.98-146,223.21-58,213.42

Finding the Fourth Proportional to 105,956.98, 146,223.21 and 58,213.42

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Solution

The fourth proportional to 105,956.98, 146,223.21 and 58,213.42 is: 80,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.98 : 146,223.21 = 58,213.42 : x
  2. Step 2: Convert to fraction form
    105,956.98/146,223.21 = 58,213.42/x
  3. Step 3: Cross multiply
    105,956.98x = 146,223.21 × 58,213.42
  4. Step 4: Simplify right side
    105,956.98x = 8,512,153,137.48
  5. Step 5: Solve for x
    x = 8,512,153,137.48/105,956.98
  6. Step 6: Final answer
    x = 80,335.94

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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.