Home / 105,927.77-146,137.84-67,677.46

Finding the Fourth Proportional to 105,927.77, 146,137.84 and 67,677.46

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Solution

The fourth proportional to 105,927.77, 146,137.84 and 67,677.46 is: 93,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,927.77 : 146,137.84 = 67,677.46 : x
  2. Step 2: Convert to fraction form
    105,927.77/146,137.84 = 67,677.46/x
  3. Step 3: Cross multiply
    105,927.77x = 146,137.84 × 67,677.46
  4. Step 4: Simplify right side
    105,927.77x = 9,890,237,286.55
  5. Step 5: Solve for x
    x = 9,890,237,286.55/105,927.77
  6. Step 6: Final answer
    x = 93,367.75

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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.