Home / 76,827.69-115,149.51-50,186.34

Finding the Fourth Proportional to 76,827.69, 115,149.51 and 50,186.34

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Solution

The fourth proportional to 76,827.69, 115,149.51 and 50,186.34 is: 75,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,827.69 : 115,149.51 = 50,186.34 : x
  2. Step 2: Convert to fraction form
    76,827.69/115,149.51 = 50,186.34/x
  3. Step 3: Cross multiply
    76,827.69x = 115,149.51 × 50,186.34
  4. Step 4: Simplify right side
    76,827.69x = 5,778,932,459.69
  5. Step 5: Solve for x
    x = 5,778,932,459.69/76,827.69
  6. Step 6: Final answer
    x = 75,219.40

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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.