Home / 124,914.60-172,383.48-68,324.76

Finding the Fourth Proportional to 124,914.60, 172,383.48 and 68,324.76

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Solution

The fourth proportional to 124,914.60, 172,383.48 and 68,324.76 is: 94,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,914.60 : 172,383.48 = 68,324.76 : x
  2. Step 2: Convert to fraction form
    124,914.60/172,383.48 = 68,324.76/x
  3. Step 3: Cross multiply
    124,914.60x = 172,383.48 × 68,324.76
  4. Step 4: Simplify right side
    124,914.60x = 11,778,059,898.96
  5. Step 5: Solve for x
    x = 11,778,059,898.96/124,914.60
  6. Step 6: Final answer
    x = 94,288.90

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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.