Home / 105,823.44-146,035.90-58,077.60

Finding the Fourth Proportional to 105,823.44, 146,035.90 and 58,077.60

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Solution

The fourth proportional to 105,823.44, 146,035.90 and 58,077.60 is: 80,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,823.44 : 146,035.90 = 58,077.60 : x
  2. Step 2: Convert to fraction form
    105,823.44/146,035.90 = 58,077.60/x
  3. Step 3: Cross multiply
    105,823.44x = 146,035.90 × 58,077.60
  4. Step 4: Simplify right side
    105,823.44x = 8,481,414,585.84
  5. Step 5: Solve for x
    x = 8,481,414,585.84/105,823.44
  6. Step 6: Final answer
    x = 80,146.84

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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.