Home / 124,676.60-172,047.06-68,076.92

Finding the Fourth Proportional to 124,676.60, 172,047.06 and 68,076.92

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Solution

The fourth proportional to 124,676.60, 172,047.06 and 68,076.92 is: 93,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,676.60 : 172,047.06 = 68,076.92 : x
  2. Step 2: Convert to fraction form
    124,676.60/172,047.06 = 68,076.92/x
  3. Step 3: Cross multiply
    124,676.60x = 172,047.06 × 68,076.92
  4. Step 4: Simplify right side
    124,676.60x = 11,712,433,939.86
  5. Step 5: Solve for x
    x = 11,712,433,939.86/124,676.60
  6. Step 6: Final answer
    x = 93,942.52

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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.