Home / 127,103.94-175,403.37-69,743.61

Finding the Fourth Proportional to 127,103.94, 175,403.37 and 69,743.61

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Solution

The fourth proportional to 127,103.94, 175,403.37 and 69,743.61 is: 96,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,103.94 : 175,403.37 = 69,743.61 : x
  2. Step 2: Convert to fraction form
    127,103.94/175,403.37 = 69,743.61/x
  3. Step 3: Cross multiply
    127,103.94x = 175,403.37 × 69,743.61
  4. Step 4: Simplify right side
    127,103.94x = 12,233,264,229.97
  5. Step 5: Solve for x
    x = 12,233,264,229.97/127,103.94
  6. Step 6: Final answer
    x = 96,246.14

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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.