Home / 53,600.78-80,405.03-14,157.38

Finding the Fourth Proportional to 53,600.78, 80,405.03 and 14,157.38

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Solution

The fourth proportional to 53,600.78, 80,405.03 and 14,157.38 is: 21,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,600.78 : 80,405.03 = 14,157.38 : x
  2. Step 2: Convert to fraction form
    53,600.78/80,405.03 = 14,157.38/x
  3. Step 3: Cross multiply
    53,600.78x = 80,405.03 × 14,157.38
  4. Step 4: Simplify right side
    53,600.78x = 1,138,324,196.99
  5. Step 5: Solve for x
    x = 1,138,324,196.99/53,600.78
  6. Step 6: Final answer
    x = 21,237.08

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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.