Home / 118,759.94-163,891.37-67,771.65

Finding the Fourth Proportional to 118,759.94, 163,891.37 and 67,771.65

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Solution

The fourth proportional to 118,759.94, 163,891.37 and 67,771.65 is: 93,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,759.94 : 163,891.37 = 67,771.65 : x
  2. Step 2: Convert to fraction form
    118,759.94/163,891.37 = 67,771.65/x
  3. Step 3: Cross multiply
    118,759.94x = 163,891.37 × 67,771.65
  4. Step 4: Simplify right side
    118,759.94x = 11,107,189,349.68
  5. Step 5: Solve for x
    x = 11,107,189,349.68/118,759.94
  6. Step 6: Final answer
    x = 93,526.40

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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.