Home / 96,858.16-133,667.70-54,415.84

Finding the Fourth Proportional to 96,858.16, 133,667.70 and 54,415.84

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Solution

The fourth proportional to 96,858.16, 133,667.70 and 54,415.84 is: 75,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,858.16 : 133,667.70 = 54,415.84 : x
  2. Step 2: Convert to fraction form
    96,858.16/133,667.70 = 54,415.84/x
  3. Step 3: Cross multiply
    96,858.16x = 133,667.70 × 54,415.84
  4. Step 4: Simplify right side
    96,858.16x = 7,273,640,176.37
  5. Step 5: Solve for x
    x = 7,273,640,176.37/96,858.16
  6. Step 6: Final answer
    x = 75,095.79

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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.