Home / 122,164.76-168,583.28-67,714.62

Finding the Fourth Proportional to 122,164.76, 168,583.28 and 67,714.62

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Solution

The fourth proportional to 122,164.76, 168,583.28 and 67,714.62 is: 93,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,164.76 : 168,583.28 = 67,714.62 : x
  2. Step 2: Convert to fraction form
    122,164.76/168,583.28 = 67,714.62/x
  3. Step 3: Cross multiply
    122,164.76x = 168,583.28 × 67,714.62
  4. Step 4: Simplify right side
    122,164.76x = 11,415,552,743.55
  5. Step 5: Solve for x
    x = 11,415,552,743.55/122,164.76
  6. Step 6: Final answer
    x = 93,443.91

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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.