Home / 118,941.44-164,127.36-68,656.64

Finding the Fourth Proportional to 118,941.44, 164,127.36 and 68,656.64

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Solution

The fourth proportional to 118,941.44, 164,127.36 and 68,656.64 is: 94,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,941.44 : 164,127.36 = 68,656.64 : x
  2. Step 2: Convert to fraction form
    118,941.44/164,127.36 = 68,656.64/x
  3. Step 3: Cross multiply
    118,941.44x = 164,127.36 × 68,656.64
  4. Step 4: Simplify right side
    118,941.44x = 11,268,433,069.67
  5. Step 5: Solve for x
    x = 11,268,433,069.67/118,941.44
  6. Step 6: Final answer
    x = 94,739.34

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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.