Home / 105,821.92-146,029.65-58,076.06

Finding the Fourth Proportional to 105,821.92, 146,029.65 and 58,076.06

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Solution

The fourth proportional to 105,821.92, 146,029.65 and 58,076.06 is: 80,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,821.92 : 146,029.65 = 58,076.06 : x
  2. Step 2: Convert to fraction form
    105,821.92/146,029.65 = 58,076.06/x
  3. Step 3: Cross multiply
    105,821.92x = 146,029.65 × 58,076.06
  4. Step 4: Simplify right side
    105,821.92x = 8,480,826,715.18
  5. Step 5: Solve for x
    x = 8,480,826,715.18/105,821.92
  6. Step 6: Final answer
    x = 80,142.44

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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.