Home / 118,849.14-164,013.66-71,104.50

Finding the Fourth Proportional to 118,849.14, 164,013.66 and 71,104.50

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Solution

The fourth proportional to 118,849.14, 164,013.66 and 71,104.50 is: 98,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,849.14 : 164,013.66 = 71,104.50 : x
  2. Step 2: Convert to fraction form
    118,849.14/164,013.66 = 71,104.50/x
  3. Step 3: Cross multiply
    118,849.14x = 164,013.66 × 71,104.50
  4. Step 4: Simplify right side
    118,849.14x = 11,662,109,287.47
  5. Step 5: Solve for x
    x = 11,662,109,287.47/118,849.14
  6. Step 6: Final answer
    x = 98,125.31

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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.