Home / 122,577.63-169,156.13-68,861.52

Finding the Fourth Proportional to 122,577.63, 169,156.13 and 68,861.52

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Solution

The fourth proportional to 122,577.63, 169,156.13 and 68,861.52 is: 95,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,577.63 : 169,156.13 = 68,861.52 : x
  2. Step 2: Convert to fraction form
    122,577.63/169,156.13 = 68,861.52/x
  3. Step 3: Cross multiply
    122,577.63x = 169,156.13 × 68,861.52
  4. Step 4: Simplify right side
    122,577.63x = 11,648,347,039.03
  5. Step 5: Solve for x
    x = 11,648,347,039.03/122,577.63
  6. Step 6: Final answer
    x = 95,028.33

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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.