Home / 124,755.66-172,146.87-71,033.22

Finding the Fourth Proportional to 124,755.66, 172,146.87 and 71,033.22

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Solution

The fourth proportional to 124,755.66, 172,146.87 and 71,033.22 is: 98,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,755.66 : 172,146.87 = 71,033.22 : x
  2. Step 2: Convert to fraction form
    124,755.66/172,146.87 = 71,033.22/x
  3. Step 3: Cross multiply
    124,755.66x = 172,146.87 × 71,033.22
  4. Step 4: Simplify right side
    124,755.66x = 12,228,146,489.02
  5. Step 5: Solve for x
    x = 12,228,146,489.02/124,755.66
  6. Step 6: Final answer
    x = 98,016.77

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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.