Home / 122,505.24-169,072.20-68,792.52

Finding the Fourth Proportional to 122,505.24, 169,072.20 and 68,792.52

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Solution

The fourth proportional to 122,505.24, 169,072.20 and 68,792.52 is: 94,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,505.24 : 169,072.20 = 68,792.52 : x
  2. Step 2: Convert to fraction form
    122,505.24/169,072.20 = 68,792.52/x
  3. Step 3: Cross multiply
    122,505.24x = 169,072.20 × 68,792.52
  4. Step 4: Simplify right side
    122,505.24x = 11,630,902,699.94
  5. Step 5: Solve for x
    x = 11,630,902,699.94/122,505.24
  6. Step 6: Final answer
    x = 94,942.08

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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.