Home / 76,771.77-115,161.78-24,185.37

Finding the Fourth Proportional to 76,771.77, 115,161.78 and 24,185.37

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Solution

The fourth proportional to 76,771.77, 115,161.78 and 24,185.37 is: 36,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,771.77 : 115,161.78 = 24,185.37 : x
  2. Step 2: Convert to fraction form
    76,771.77/115,161.78 = 24,185.37/x
  3. Step 3: Cross multiply
    76,771.77x = 115,161.78 × 24,185.37
  4. Step 4: Simplify right side
    76,771.77x = 2,785,230,259.16
  5. Step 5: Solve for x
    x = 2,785,230,259.16/76,771.77
  6. Step 6: Final answer
    x = 36,279.35

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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.