Home / 122,824.48-169,495.76-69,109.44

Finding the Fourth Proportional to 122,824.48, 169,495.76 and 69,109.44

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Solution

The fourth proportional to 122,824.48, 169,495.76 and 69,109.44 is: 95,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,824.48 : 169,495.76 = 69,109.44 : x
  2. Step 2: Convert to fraction form
    122,824.48/169,495.76 = 69,109.44/x
  3. Step 3: Cross multiply
    122,824.48x = 169,495.76 × 69,109.44
  4. Step 4: Simplify right side
    122,824.48x = 11,713,757,055.97
  5. Step 5: Solve for x
    x = 11,713,757,055.97/122,824.48
  6. Step 6: Final answer
    x = 95,369.89

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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.