Home / 56,743.20-84,985.20-33,415.20

Finding the Fourth Proportional to 56,743.20, 84,985.20 and 33,415.20

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Solution

The fourth proportional to 56,743.20, 84,985.20 and 33,415.20 is: 50,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,743.20 : 84,985.20 = 33,415.20 : x
  2. Step 2: Convert to fraction form
    56,743.20/84,985.20 = 33,415.20/x
  3. Step 3: Cross multiply
    56,743.20x = 84,985.20 × 33,415.20
  4. Step 4: Simplify right side
    56,743.20x = 2,839,797,455.04
  5. Step 5: Solve for x
    x = 2,839,797,455.04/56,743.20
  6. Step 6: Final answer
    x = 50,046.48

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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.