Home / 92,121.94-127,109.19-53,874.06

Finding the Fourth Proportional to 92,121.94, 127,109.19 and 53,874.06

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Solution

The fourth proportional to 92,121.94, 127,109.19 and 53,874.06 is: 74,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,121.94 : 127,109.19 = 53,874.06 : x
  2. Step 2: Convert to fraction form
    92,121.94/127,109.19 = 53,874.06/x
  3. Step 3: Cross multiply
    92,121.94x = 127,109.19 × 53,874.06
  4. Step 4: Simplify right side
    92,121.94x = 6,847,888,128.61
  5. Step 5: Solve for x
    x = 6,847,888,128.61/92,121.94
  6. Step 6: Final answer
    x = 74,335.04

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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.