Home / 122,736.64-169,397.34-71,046.25

Finding the Fourth Proportional to 122,736.64, 169,397.34 and 71,046.25

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Solution

The fourth proportional to 122,736.64, 169,397.34 and 71,046.25 is: 98,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,736.64 : 169,397.34 = 71,046.25 : x
  2. Step 2: Convert to fraction form
    122,736.64/169,397.34 = 71,046.25/x
  3. Step 3: Cross multiply
    122,736.64x = 169,397.34 × 71,046.25
  4. Step 4: Simplify right side
    122,736.64x = 12,035,045,766.98
  5. Step 5: Solve for x
    x = 12,035,045,766.98/122,736.64
  6. Step 6: Final answer
    x = 98,055.85

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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.