Home / 78,588.55-117,891.26-33,614.58

Finding the Fourth Proportional to 78,588.55, 117,891.26 and 33,614.58

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Solution

The fourth proportional to 78,588.55, 117,891.26 and 33,614.58 is: 50,425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,588.55 : 117,891.26 = 33,614.58 : x
  2. Step 2: Convert to fraction form
    78,588.55/117,891.26 = 33,614.58/x
  3. Step 3: Cross multiply
    78,588.55x = 117,891.26 × 33,614.58
  4. Step 4: Simplify right side
    78,588.55x = 3,962,865,190.57
  5. Step 5: Solve for x
    x = 3,962,865,190.57/78,588.55
  6. Step 6: Final answer
    x = 50,425.48

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1.5x scale

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.