Home / 122,044.52-168,412.37-71,057.66

Finding the Fourth Proportional to 122,044.52, 168,412.37 and 71,057.66

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Solution

The fourth proportional to 122,044.52, 168,412.37 and 71,057.66 is: 98,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,044.52 : 168,412.37 = 71,057.66 : x
  2. Step 2: Convert to fraction form
    122,044.52/168,412.37 = 71,057.66/x
  3. Step 3: Cross multiply
    122,044.52x = 168,412.37 × 71,057.66
  4. Step 4: Simplify right side
    122,044.52x = 11,966,987,729.90
  5. Step 5: Solve for x
    x = 11,966,987,729.90/122,044.52
  6. Step 6: Final answer
    x = 98,054.28

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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.