Home / 124,932.56-172,410.96-68,343.92

Finding the Fourth Proportional to 124,932.56, 172,410.96 and 68,343.92

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Solution

The fourth proportional to 124,932.56, 172,410.96 and 68,343.92 is: 94,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,932.56 : 172,410.96 = 68,343.92 : x
  2. Step 2: Convert to fraction form
    124,932.56/172,410.96 = 68,343.92/x
  3. Step 3: Cross multiply
    124,932.56x = 172,410.96 × 68,343.92
  4. Step 4: Simplify right side
    124,932.56x = 11,783,240,857.36
  5. Step 5: Solve for x
    x = 11,783,240,857.36/124,932.56
  6. Step 6: Final answer
    x = 94,316.81

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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.