Home / 100,365.06-150,630.41-50,459.34

Finding the Fourth Proportional to 100,365.06, 150,630.41 and 50,459.34

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Solution

The fourth proportional to 100,365.06, 150,630.41 and 50,459.34 is: 75,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,365.06 : 150,630.41 = 50,459.34 : x
  2. Step 2: Convert to fraction form
    100,365.06/150,630.41 = 50,459.34/x
  3. Step 3: Cross multiply
    100,365.06x = 150,630.41 × 50,459.34
  4. Step 4: Simplify right side
    100,365.06x = 7,600,711,198.68
  5. Step 5: Solve for x
    x = 7,600,711,198.68/100,365.06
  6. Step 6: Final answer
    x = 75,730.65

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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.