Home / 77,261.37-106,634.03-43,727.37

Finding the Fourth Proportional to 77,261.37, 106,634.03 and 43,727.37

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Solution

The fourth proportional to 77,261.37, 106,634.03 and 43,727.37 is: 60,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,261.37 : 106,634.03 = 43,727.37 : x
  2. Step 2: Convert to fraction form
    77,261.37/106,634.03 = 43,727.37/x
  3. Step 3: Cross multiply
    77,261.37x = 106,634.03 × 43,727.37
  4. Step 4: Simplify right side
    77,261.37x = 4,662,825,260.55
  5. Step 5: Solve for x
    x = 4,662,825,260.55/77,261.37
  6. Step 6: Final answer
    x = 60,351.32

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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.