Home / 77,182.37-106,517.39-43,194.26

Finding the Fourth Proportional to 77,182.37, 106,517.39 and 43,194.26

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Solution

The fourth proportional to 77,182.37, 106,517.39 and 43,194.26 is: 59,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,182.37 : 106,517.39 = 43,194.26 : x
  2. Step 2: Convert to fraction form
    77,182.37/106,517.39 = 43,194.26/x
  3. Step 3: Cross multiply
    77,182.37x = 106,517.39 × 43,194.26
  4. Step 4: Simplify right side
    77,182.37x = 4,600,939,838.18
  5. Step 5: Solve for x
    x = 4,600,939,838.18/77,182.37
  6. Step 6: Final answer
    x = 59,611.28

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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.