Home / 54,712.12-82,068.20-42,250.36

Finding the Fourth Proportional to 54,712.12, 82,068.20 and 42,250.36

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Solution

The fourth proportional to 54,712.12, 82,068.20 and 42,250.36 is: 63,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.12 : 82,068.20 = 42,250.36 : x
  2. Step 2: Convert to fraction form
    54,712.12/82,068.20 = 42,250.36/x
  3. Step 3: Cross multiply
    54,712.12x = 82,068.20 × 42,250.36
  4. Step 4: Simplify right side
    54,712.12x = 3,467,410,994.55
  5. Step 5: Solve for x
    x = 3,467,410,994.55/54,712.12
  6. Step 6: Final answer
    x = 63,375.56

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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.