Home / 91,219.05-125,880.97-50,933.44

Finding the Fourth Proportional to 91,219.05, 125,880.97 and 50,933.44

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Solution

The fourth proportional to 91,219.05, 125,880.97 and 50,933.44 is: 70,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,219.05 : 125,880.97 = 50,933.44 : x
  2. Step 2: Convert to fraction form
    91,219.05/125,880.97 = 50,933.44/x
  3. Step 3: Cross multiply
    91,219.05x = 125,880.97 × 50,933.44
  4. Step 4: Simplify right side
    91,219.05x = 6,411,550,832.64
  5. Step 5: Solve for x
    x = 6,411,550,832.64/91,219.05
  6. Step 6: Final answer
    x = 70,287.41

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1.5x scale

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.