Home / 118,849-164,011.62-71,104.36

Finding the Fourth Proportional to 118,849, 164,011.62 and 71,104.36

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Solution

The fourth proportional to 118,849, 164,011.62 and 71,104.36 is: 98,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,849 : 164,011.62 = 71,104.36 : x
  2. Step 2: Convert to fraction form
    118,849/164,011.62 = 71,104.36/x
  3. Step 3: Cross multiply
    118,849x = 164,011.62 × 71,104.36
  4. Step 4: Simplify right side
    118,849x = 11,661,941,272.66
  5. Step 5: Solve for x
    x = 11,661,941,272.66/118,849
  6. Step 6: Final answer
    x = 98,124.02

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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.