Home / 56,445.85-84,609.49-18,992.92

Finding the Fourth Proportional to 56,445.85, 84,609.49 and 18,992.92

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Solution

The fourth proportional to 56,445.85, 84,609.49 and 18,992.92 is: 28,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,445.85 : 84,609.49 = 18,992.92 : x
  2. Step 2: Convert to fraction form
    56,445.85/84,609.49 = 18,992.92/x
  3. Step 3: Cross multiply
    56,445.85x = 84,609.49 × 18,992.92
  4. Step 4: Simplify right side
    56,445.85x = 1,606,981,274.81
  5. Step 5: Solve for x
    x = 1,606,981,274.81/56,445.85
  6. Step 6: Final answer
    x = 28,469.43

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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.