Home / 83,477.90-125,231.44-36,729.56

Finding the Fourth Proportional to 83,477.90, 125,231.44 and 36,729.56

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Solution

The fourth proportional to 83,477.90, 125,231.44 and 36,729.56 is: 55,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,477.90 : 125,231.44 = 36,729.56 : x
  2. Step 2: Convert to fraction form
    83,477.90/125,231.44 = 36,729.56/x
  3. Step 3: Cross multiply
    83,477.90x = 125,231.44 × 36,729.56
  4. Step 4: Simplify right side
    83,477.90x = 4,599,695,689.37
  5. Step 5: Solve for x
    x = 4,599,695,689.37/83,477.90
  6. Step 6: Final answer
    x = 55,100.76

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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.