Home / 107,470.20-160,986.60-54,909.30

Finding the Fourth Proportional to 107,470.20, 160,986.60 and 54,909.30

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Solution

The fourth proportional to 107,470.20, 160,986.60 and 54,909.30 is: 82,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,470.20 : 160,986.60 = 54,909.30 : x
  2. Step 2: Convert to fraction form
    107,470.20/160,986.60 = 54,909.30/x
  3. Step 3: Cross multiply
    107,470.20x = 160,986.60 × 54,909.30
  4. Step 4: Simplify right side
    107,470.20x = 8,839,661,515.38
  5. Step 5: Solve for x
    x = 8,839,661,515.38/107,470.20
  6. Step 6: Final answer
    x = 82,252.21

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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.