Home / 118,980.48-164,170.33-68,009.37

Finding the Fourth Proportional to 118,980.48, 164,170.33 and 68,009.37

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Solution

The fourth proportional to 118,980.48, 164,170.33 and 68,009.37 is: 93,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,980.48 : 164,170.33 = 68,009.37 : x
  2. Step 2: Convert to fraction form
    118,980.48/164,170.33 = 68,009.37/x
  3. Step 3: Cross multiply
    118,980.48x = 164,170.33 × 68,009.37
  4. Step 4: Simplify right side
    118,980.48x = 11,165,120,715.99
  5. Step 5: Solve for x
    x = 11,165,120,715.99/118,980.48
  6. Step 6: Final answer
    x = 93,839.94

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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.