Home / 122,592.29-169,172.65-68,879.57

Finding the Fourth Proportional to 122,592.29, 169,172.65 and 68,879.57

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Solution

The fourth proportional to 122,592.29, 169,172.65 and 68,879.57 is: 95,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,592.29 : 169,172.65 = 68,879.57 : x
  2. Step 2: Convert to fraction form
    122,592.29/169,172.65 = 68,879.57/x
  3. Step 3: Cross multiply
    122,592.29x = 169,172.65 × 68,879.57
  4. Step 4: Simplify right side
    122,592.29x = 11,652,538,628.00
  5. Step 5: Solve for x
    x = 11,652,538,628.00/122,592.29
  6. Step 6: Final answer
    x = 95,051.16

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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.