Home / 78,583.20-117,899.39-50,534.92

Finding the Fourth Proportional to 78,583.20, 117,899.39 and 50,534.92

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Solution

The fourth proportional to 78,583.20, 117,899.39 and 50,534.92 is: 75,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,583.20 : 117,899.39 = 50,534.92 : x
  2. Step 2: Convert to fraction form
    78,583.20/117,899.39 = 50,534.92/x
  3. Step 3: Cross multiply
    78,583.20x = 117,899.39 × 50,534.92
  4. Step 4: Simplify right side
    78,583.20x = 5,958,036,241.70
  5. Step 5: Solve for x
    x = 5,958,036,241.70/78,583.20
  6. Step 6: Final answer
    x = 75,818.19

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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.