Home / 83,405.77-125,112.40-27,249.31

Finding the Fourth Proportional to 83,405.77, 125,112.40 and 27,249.31

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Solution

The fourth proportional to 83,405.77, 125,112.40 and 27,249.31 is: 40,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,405.77 : 125,112.40 = 27,249.31 : x
  2. Step 2: Convert to fraction form
    83,405.77/125,112.40 = 27,249.31/x
  3. Step 3: Cross multiply
    83,405.77x = 125,112.40 × 27,249.31
  4. Step 4: Simplify right side
    83,405.77x = 3,409,226,660.71
  5. Step 5: Solve for x
    x = 3,409,226,660.71/83,405.77
  6. Step 6: Final answer
    x = 40,875.19

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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.