Home / 53,112.78-79,610.85-18,026.01

Finding the Fourth Proportional to 53,112.78, 79,610.85 and 18,026.01

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Solution

The fourth proportional to 53,112.78, 79,610.85 and 18,026.01 is: 27,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.78 : 79,610.85 = 18,026.01 : x
  2. Step 2: Convert to fraction form
    53,112.78/79,610.85 = 18,026.01/x
  3. Step 3: Cross multiply
    53,112.78x = 79,610.85 × 18,026.01
  4. Step 4: Simplify right side
    53,112.78x = 1,435,065,978.21
  5. Step 5: Solve for x
    x = 1,435,065,978.21/53,112.78
  6. Step 6: Final answer
    x = 27,019.22

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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.