Home / 77,206.60-115,853.10-32,825.80

Finding the Fourth Proportional to 77,206.60, 115,853.10 and 32,825.80

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Solution

The fourth proportional to 77,206.60, 115,853.10 and 32,825.80 is: 49,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,206.60 : 115,853.10 = 32,825.80 : x
  2. Step 2: Convert to fraction form
    77,206.60/115,853.10 = 32,825.80/x
  3. Step 3: Cross multiply
    77,206.60x = 115,853.10 × 32,825.80
  4. Step 4: Simplify right side
    77,206.60x = 3,802,970,689.98
  5. Step 5: Solve for x
    x = 3,802,970,689.98/77,206.60
  6. Step 6: Final answer
    x = 49,257.07

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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.