Home / 118,964.02-164,171.73-68,679.22

Finding the Fourth Proportional to 118,964.02, 164,171.73 and 68,679.22

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Solution

The fourth proportional to 118,964.02, 164,171.73 and 68,679.22 is: 94,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,964.02 : 164,171.73 = 68,679.22 : x
  2. Step 2: Convert to fraction form
    118,964.02/164,171.73 = 68,679.22/x
  3. Step 3: Cross multiply
    118,964.02x = 164,171.73 × 68,679.22
  4. Step 4: Simplify right side
    118,964.02x = 11,275,186,362.45
  5. Step 5: Solve for x
    x = 11,275,186,362.45/118,964.02
  6. Step 6: Final answer
    x = 94,778.12

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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.