Home / 76,762.34-115,003.21-55,650.03

Finding the Fourth Proportional to 76,762.34, 115,003.21 and 55,650.03

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Solution

The fourth proportional to 76,762.34, 115,003.21 and 55,650.03 is: 83,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,762.34 : 115,003.21 = 55,650.03 : x
  2. Step 2: Convert to fraction form
    76,762.34/115,003.21 = 55,650.03/x
  3. Step 3: Cross multiply
    76,762.34x = 115,003.21 × 55,650.03
  4. Step 4: Simplify right side
    76,762.34x = 6,399,932,086.60
  5. Step 5: Solve for x
    x = 6,399,932,086.60/76,762.34
  6. Step 6: Final answer
    x = 83,373.33

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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.