Home / 68,623.47-102,741.08-43,601.49

Finding the Fourth Proportional to 68,623.47, 102,741.08 and 43,601.49

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Solution

The fourth proportional to 68,623.47, 102,741.08 and 43,601.49 is: 65,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,623.47 : 102,741.08 = 43,601.49 : x
  2. Step 2: Convert to fraction form
    68,623.47/102,741.08 = 43,601.49/x
  3. Step 3: Cross multiply
    68,623.47x = 102,741.08 × 43,601.49
  4. Step 4: Simplify right side
    68,623.47x = 4,479,663,954.20
  5. Step 5: Solve for x
    x = 4,479,663,954.20/68,623.47
  6. Step 6: Final answer
    x = 65,278.89

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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.