Home / 68,166.06-102,199.88-28,701.64

Finding the Fourth Proportional to 68,166.06, 102,199.88 and 28,701.64

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Solution

The fourth proportional to 68,166.06, 102,199.88 and 28,701.64 is: 43,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,166.06 : 102,199.88 = 28,701.64 : x
  2. Step 2: Convert to fraction form
    68,166.06/102,199.88 = 28,701.64/x
  3. Step 3: Cross multiply
    68,166.06x = 102,199.88 × 28,701.64
  4. Step 4: Simplify right side
    68,166.06x = 2,933,304,201.86
  5. Step 5: Solve for x
    x = 2,933,304,201.86/68,166.06
  6. Step 6: Final answer
    x = 43,031.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.