Home / 83,677.23-125,509.50-27,519.21

Finding the Fourth Proportional to 83,677.23, 125,509.50 and 27,519.21

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Solution

The fourth proportional to 83,677.23, 125,509.50 and 27,519.21 is: 41,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,677.23 : 125,509.50 = 27,519.21 : x
  2. Step 2: Convert to fraction form
    83,677.23/125,509.50 = 27,519.21/x
  3. Step 3: Cross multiply
    83,677.23x = 125,509.50 × 27,519.21
  4. Step 4: Simplify right side
    83,677.23x = 3,453,922,287.50
  5. Step 5: Solve for x
    x = 3,453,922,287.50/83,677.23
  6. Step 6: Final answer
    x = 41,276.73

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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.