Home / 68,372.06-102,519.56-52,537.82

Finding the Fourth Proportional to 68,372.06, 102,519.56 and 52,537.82

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Solution

The fourth proportional to 68,372.06, 102,519.56 and 52,537.82 is: 78,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,372.06 : 102,519.56 = 52,537.82 : x
  2. Step 2: Convert to fraction form
    68,372.06/102,519.56 = 52,537.82/x
  3. Step 3: Cross multiply
    68,372.06x = 102,519.56 × 52,537.82
  4. Step 4: Simplify right side
    68,372.06x = 5,386,154,189.76
  5. Step 5: Solve for x
    x = 5,386,154,189.76/68,372.06
  6. Step 6: Final answer
    x = 78,777.12

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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.