Home / 83,610.09-125,419.32-27,427.48

Finding the Fourth Proportional to 83,610.09, 125,419.32 and 27,427.48

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Solution

The fourth proportional to 83,610.09, 125,419.32 and 27,427.48 is: 41,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,610.09 : 125,419.32 = 27,427.48 : x
  2. Step 2: Convert to fraction form
    83,610.09/125,419.32 = 27,427.48/x
  3. Step 3: Cross multiply
    83,610.09x = 125,419.32 × 27,427.48
  4. Step 4: Simplify right side
    83,610.09x = 3,439,935,577.37
  5. Step 5: Solve for x
    x = 3,439,935,577.37/83,610.09
  6. Step 6: Final answer
    x = 41,142.59

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1.5x scale

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.