Home / 106,518.10-146,994.87-58,771.44

Finding the Fourth Proportional to 106,518.10, 146,994.87 and 58,771.44

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Solution

The fourth proportional to 106,518.10, 146,994.87 and 58,771.44 is: 81,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,518.10 : 146,994.87 = 58,771.44 : x
  2. Step 2: Convert to fraction form
    106,518.10/146,994.87 = 58,771.44/x
  3. Step 3: Cross multiply
    106,518.10x = 146,994.87 × 58,771.44
  4. Step 4: Simplify right side
    106,518.10x = 8,639,099,888.66
  5. Step 5: Solve for x
    x = 8,639,099,888.66/106,518.10
  6. Step 6: Final answer
    x = 81,104.52

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1.5x scale

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.