Home / 68,302.30-102,344.10-43,297.60

Finding the Fourth Proportional to 68,302.30, 102,344.10 and 43,297.60

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Solution

The fourth proportional to 68,302.30, 102,344.10 and 43,297.60 is: 64,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,302.30 : 102,344.10 = 43,297.60 : x
  2. Step 2: Convert to fraction form
    68,302.30/102,344.10 = 43,297.60/x
  3. Step 3: Cross multiply
    68,302.30x = 102,344.10 × 43,297.60
  4. Step 4: Simplify right side
    68,302.30x = 4,431,253,904.16
  5. Step 5: Solve for x
    x = 4,431,253,904.16/68,302.30
  6. Step 6: Final answer
    x = 64,877.08

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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.