Home / 55,514.52-83,263.44-20,445.96

Finding the Fourth Proportional to 55,514.52, 83,263.44 and 20,445.96

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Solution

The fourth proportional to 55,514.52, 83,263.44 and 20,445.96 is: 30,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.52 : 83,263.44 = 20,445.96 : x
  2. Step 2: Convert to fraction form
    55,514.52/83,263.44 = 20,445.96/x
  3. Step 3: Cross multiply
    55,514.52x = 83,263.44 × 20,445.96
  4. Step 4: Simplify right side
    55,514.52x = 1,702,400,963.70
  5. Step 5: Solve for x
    x = 1,702,400,963.70/55,514.52
  6. Step 6: Final answer
    x = 30,665.87

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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.