Home / 122,506.11-169,062.93-71,551.44

Finding the Fourth Proportional to 122,506.11, 169,062.93 and 71,551.44

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Solution

The fourth proportional to 122,506.11, 169,062.93 and 71,551.44 is: 98,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,506.11 : 169,062.93 = 71,551.44 : x
  2. Step 2: Convert to fraction form
    122,506.11/169,062.93 = 71,551.44/x
  3. Step 3: Cross multiply
    122,506.11x = 169,062.93 × 71,551.44
  4. Step 4: Simplify right side
    122,506.11x = 12,096,696,092.12
  5. Step 5: Solve for x
    x = 12,096,696,092.12/122,506.11
  6. Step 6: Final answer
    x = 98,743.61

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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.