Home / 122,823.68-169,499.98-69,110.60

Finding the Fourth Proportional to 122,823.68, 169,499.98 and 69,110.60

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Solution

The fourth proportional to 122,823.68, 169,499.98 and 69,110.60 is: 95,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,823.68 : 169,499.98 = 69,110.60 : x
  2. Step 2: Convert to fraction form
    122,823.68/169,499.98 = 69,110.60/x
  3. Step 3: Cross multiply
    122,823.68x = 169,499.98 × 69,110.60
  4. Step 4: Simplify right side
    122,823.68x = 11,714,244,556.68
  5. Step 5: Solve for x
    x = 11,714,244,556.68/122,823.68
  6. Step 6: Final answer
    x = 95,374.48

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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.