Home / 56,968.05-85,382.82-40,332.88

Finding the Fourth Proportional to 56,968.05, 85,382.82 and 40,332.88

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Solution

The fourth proportional to 56,968.05, 85,382.82 and 40,332.88 is: 60,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,968.05 : 85,382.82 = 40,332.88 : x
  2. Step 2: Convert to fraction form
    56,968.05/85,382.82 = 40,332.88/x
  3. Step 3: Cross multiply
    56,968.05x = 85,382.82 × 40,332.88
  4. Step 4: Simplify right side
    56,968.05x = 3,443,734,819.66
  5. Step 5: Solve for x
    x = 3,443,734,819.66/56,968.05
  6. Step 6: Final answer
    x = 60,450.28

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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.