Home / 105,823.80-158,787.60-49,668.48

Finding the Fourth Proportional to 105,823.80, 158,787.60 and 49,668.48

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Solution

The fourth proportional to 105,823.80, 158,787.60 and 49,668.48 is: 74,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,823.80 : 158,787.60 = 49,668.48 : x
  2. Step 2: Convert to fraction form
    105,823.80/158,787.60 = 49,668.48/x
  3. Step 3: Cross multiply
    105,823.80x = 158,787.60 × 49,668.48
  4. Step 4: Simplify right side
    105,823.80x = 7,886,738,734.85
  5. Step 5: Solve for x
    x = 7,886,738,734.85/105,823.80
  6. Step 6: Final answer
    x = 74,527.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.