Home / 124,844.63-172,285.58-68,256

Finding the Fourth Proportional to 124,844.63, 172,285.58 and 68,256

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Solution

The fourth proportional to 124,844.63, 172,285.58 and 68,256 is: 94,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,844.63 : 172,285.58 = 68,256 : x
  2. Step 2: Convert to fraction form
    124,844.63/172,285.58 = 68,256/x
  3. Step 3: Cross multiply
    124,844.63x = 172,285.58 × 68,256
  4. Step 4: Simplify right side
    124,844.63x = 11,759,524,719.12
  5. Step 5: Solve for x
    x = 11,759,524,719.12/124,844.63
  6. Step 6: Final answer
    x = 94,193.28

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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.