Home / 83,427.04-125,137.32-30,835.36

Finding the Fourth Proportional to 83,427.04, 125,137.32 and 30,835.36

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Solution

The fourth proportional to 83,427.04, 125,137.32 and 30,835.36 is: 46,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,427.04 : 125,137.32 = 30,835.36 : x
  2. Step 2: Convert to fraction form
    83,427.04/125,137.32 = 30,835.36/x
  3. Step 3: Cross multiply
    83,427.04x = 125,137.32 × 30,835.36
  4. Step 4: Simplify right side
    83,427.04x = 3,858,654,311.64
  5. Step 5: Solve for x
    x = 3,858,654,311.64/83,427.04
  6. Step 6: Final answer
    x = 46,251.84

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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.