Home / 54,630.58-81,984.75-42,163.06

Finding the Fourth Proportional to 54,630.58, 81,984.75 and 42,163.06

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Solution

The fourth proportional to 54,630.58, 81,984.75 and 42,163.06 is: 63,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,630.58 : 81,984.75 = 42,163.06 : x
  2. Step 2: Convert to fraction form
    54,630.58/81,984.75 = 42,163.06/x
  3. Step 3: Cross multiply
    54,630.58x = 81,984.75 × 42,163.06
  4. Step 4: Simplify right side
    54,630.58x = 3,456,727,933.34
  5. Step 5: Solve for x
    x = 3,456,727,933.34/54,630.58
  6. Step 6: Final answer
    x = 63,274.60

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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.