Home / 71,757.12-107,537.40-36,623.10

Finding the Fourth Proportional to 71,757.12, 107,537.40 and 36,623.10

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Solution

The fourth proportional to 71,757.12, 107,537.40 and 36,623.10 is: 54,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,757.12 : 107,537.40 = 36,623.10 : x
  2. Step 2: Convert to fraction form
    71,757.12/107,537.40 = 36,623.10/x
  3. Step 3: Cross multiply
    71,757.12x = 107,537.40 × 36,623.10
  4. Step 4: Simplify right side
    71,757.12x = 3,938,352,953.94
  5. Step 5: Solve for x
    x = 3,938,352,953.94/71,757.12
  6. Step 6: Final answer
    x = 54,884.49

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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.