Home / 45,627.08-68,447.52-20,666.54

Finding the Fourth Proportional to 45,627.08, 68,447.52 and 20,666.54

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Solution

The fourth proportional to 45,627.08, 68,447.52 and 20,666.54 is: 31,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,627.08 : 68,447.52 = 20,666.54 : x
  2. Step 2: Convert to fraction form
    45,627.08/68,447.52 = 20,666.54/x
  3. Step 3: Cross multiply
    45,627.08x = 68,447.52 × 20,666.54
  4. Step 4: Simplify right side
    45,627.08x = 1,414,573,409.98
  5. Step 5: Solve for x
    x = 1,414,573,409.98/45,627.08
  6. Step 6: Final answer
    x = 31,002.94

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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.