Home / 53,747.01-80,655.64-20,467.41

Finding the Fourth Proportional to 53,747.01, 80,655.64 and 20,467.41

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Solution

The fourth proportional to 53,747.01, 80,655.64 and 20,467.41 is: 30,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,747.01 : 80,655.64 = 20,467.41 : x
  2. Step 2: Convert to fraction form
    53,747.01/80,655.64 = 20,467.41/x
  3. Step 3: Cross multiply
    53,747.01x = 80,655.64 × 20,467.41
  4. Step 4: Simplify right side
    53,747.01x = 1,650,812,052.69
  5. Step 5: Solve for x
    x = 1,650,812,052.69/53,747.01
  6. Step 6: Final answer
    x = 30,714.49

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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.