Home / 105,824.48-146,037.33-58,078.62

Finding the Fourth Proportional to 105,824.48, 146,037.33 and 58,078.62

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Solution

The fourth proportional to 105,824.48, 146,037.33 and 58,078.62 is: 80,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,824.48 : 146,037.33 = 58,078.62 : x
  2. Step 2: Convert to fraction form
    105,824.48/146,037.33 = 58,078.62/x
  3. Step 3: Cross multiply
    105,824.48x = 146,037.33 × 58,078.62
  4. Step 4: Simplify right side
    105,824.48x = 8,481,646,594.88
  5. Step 5: Solve for x
    x = 8,481,646,594.88/105,824.48
  6. Step 6: Final answer
    x = 80,148.25

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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.