Home / 124,635.21-171,995.70-68,046.59

Finding the Fourth Proportional to 124,635.21, 171,995.70 and 68,046.59

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Solution

The fourth proportional to 124,635.21, 171,995.70 and 68,046.59 is: 93,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,635.21 : 171,995.70 = 68,046.59 : x
  2. Step 2: Convert to fraction form
    124,635.21/171,995.70 = 68,046.59/x
  3. Step 3: Cross multiply
    124,635.21x = 171,995.70 × 68,046.59
  4. Step 4: Simplify right side
    124,635.21x = 11,703,720,879.66
  5. Step 5: Solve for x
    x = 11,703,720,879.66/124,635.21
  6. Step 6: Final answer
    x = 93,903.81

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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.