Home / 122,516.03-169,071.45-68,805.74

Finding the Fourth Proportional to 122,516.03, 169,071.45 and 68,805.74

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Solution

The fourth proportional to 122,516.03, 169,071.45 and 68,805.74 is: 94,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,516.03 : 169,071.45 = 68,805.74 : x
  2. Step 2: Convert to fraction form
    122,516.03/169,071.45 = 68,805.74/x
  3. Step 3: Cross multiply
    122,516.03x = 169,071.45 × 68,805.74
  4. Step 4: Simplify right side
    122,516.03x = 11,633,086,230.12
  5. Step 5: Solve for x
    x = 11,633,086,230.12/122,516.03
  6. Step 6: Final answer
    x = 94,951.54

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1.5x scale

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.