Home / 77,200.03-106,451.44-50,292.64

Finding the Fourth Proportional to 77,200.03, 106,451.44 and 50,292.64

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Solution

The fourth proportional to 77,200.03, 106,451.44 and 50,292.64 is: 69,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,200.03 : 106,451.44 = 50,292.64 : x
  2. Step 2: Convert to fraction form
    77,200.03/106,451.44 = 50,292.64/x
  3. Step 3: Cross multiply
    77,200.03x = 106,451.44 × 50,292.64
  4. Step 4: Simplify right side
    77,200.03x = 5,353,723,557.54
  5. Step 5: Solve for x
    x = 5,353,723,557.54/77,200.03
  6. Step 6: Final answer
    x = 69,348.73

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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.