Home / 87,828.39-121,198.95-49,592.34

Finding the Fourth Proportional to 87,828.39, 121,198.95 and 49,592.34

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Solution

The fourth proportional to 87,828.39, 121,198.95 and 49,592.34 is: 68,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,828.39 : 121,198.95 = 49,592.34 : x
  2. Step 2: Convert to fraction form
    87,828.39/121,198.95 = 49,592.34/x
  3. Step 3: Cross multiply
    87,828.39x = 121,198.95 × 49,592.34
  4. Step 4: Simplify right side
    87,828.39x = 6,010,539,536.04
  5. Step 5: Solve for x
    x = 6,010,539,536.04/87,828.39
  6. Step 6: Final answer
    x = 68,435.04

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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.