Home / 106,211.39-146,571.69-58,464.50

Finding the Fourth Proportional to 106,211.39, 146,571.69 and 58,464.50

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Solution

The fourth proportional to 106,211.39, 146,571.69 and 58,464.50 is: 80,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,211.39 : 146,571.69 = 58,464.50 : x
  2. Step 2: Convert to fraction form
    106,211.39/146,571.69 = 58,464.50/x
  3. Step 3: Cross multiply
    106,211.39x = 146,571.69 × 58,464.50
  4. Step 4: Simplify right side
    106,211.39x = 8,569,240,570.01
  5. Step 5: Solve for x
    x = 8,569,240,570.01/106,211.39
  6. Step 6: Final answer
    x = 80,680.99

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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.