Home / 105,824.44-146,037.28-58,078.60

Finding the Fourth Proportional to 105,824.44, 146,037.28 and 58,078.60

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Solution

The fourth proportional to 105,824.44, 146,037.28 and 58,078.60 is: 80,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,824.44 : 146,037.28 = 58,078.60 : x
  2. Step 2: Convert to fraction form
    105,824.44/146,037.28 = 58,078.60/x
  3. Step 3: Cross multiply
    105,824.44x = 146,037.28 × 58,078.60
  4. Step 4: Simplify right side
    105,824.44x = 8,481,640,770.21
  5. Step 5: Solve for x
    x = 8,481,640,770.21/105,824.44
  6. Step 6: Final answer
    x = 80,148.22

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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.