Home / 96,828.29-133,648.41-54,400.49

Finding the Fourth Proportional to 96,828.29, 133,648.41 and 54,400.49

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Solution

The fourth proportional to 96,828.29, 133,648.41 and 54,400.49 is: 75,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,828.29 : 133,648.41 = 54,400.49 : x
  2. Step 2: Convert to fraction form
    96,828.29/133,648.41 = 54,400.49/x
  3. Step 3: Cross multiply
    96,828.29x = 133,648.41 × 54,400.49
  4. Step 4: Simplify right side
    96,828.29x = 7,270,538,323.48
  5. Step 5: Solve for x
    x = 7,270,538,323.48/96,828.29
  6. Step 6: Final answer
    x = 75,086.93

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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.