Home / 45,732.88-68,322.20-28,958.59

Finding the Fourth Proportional to 45,732.88, 68,322.20 and 28,958.59

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Solution

The fourth proportional to 45,732.88, 68,322.20 and 28,958.59 is: 43,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,732.88 : 68,322.20 = 28,958.59 : x
  2. Step 2: Convert to fraction form
    45,732.88/68,322.20 = 28,958.59/x
  3. Step 3: Cross multiply
    45,732.88x = 68,322.20 × 28,958.59
  4. Step 4: Simplify right side
    45,732.88x = 1,978,514,577.70
  5. Step 5: Solve for x
    x = 1,978,514,577.70/45,732.88
  6. Step 6: Final answer
    x = 43,262.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.