Home / 105,883.71-146,121.87-58,137.24

Finding the Fourth Proportional to 105,883.71, 146,121.87 and 58,137.24

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Solution

The fourth proportional to 105,883.71, 146,121.87 and 58,137.24 is: 80,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,883.71 : 146,121.87 = 58,137.24 : x
  2. Step 2: Convert to fraction form
    105,883.71/146,121.87 = 58,137.24/x
  3. Step 3: Cross multiply
    105,883.71x = 146,121.87 × 58,137.24
  4. Step 4: Simplify right side
    105,883.71x = 8,495,122,225.44
  5. Step 5: Solve for x
    x = 8,495,122,225.44/105,883.71
  6. Step 6: Final answer
    x = 80,230.68

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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.