Home / 76,405.88-114,593.65-38,445.03

Finding the Fourth Proportional to 76,405.88, 114,593.65 and 38,445.03

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Solution

The fourth proportional to 76,405.88, 114,593.65 and 38,445.03 is: 57,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,405.88 : 114,593.65 = 38,445.03 : x
  2. Step 2: Convert to fraction form
    76,405.88/114,593.65 = 38,445.03/x
  3. Step 3: Cross multiply
    76,405.88x = 114,593.65 × 38,445.03
  4. Step 4: Simplify right side
    76,405.88x = 4,405,555,739.09
  5. Step 5: Solve for x
    x = 4,405,555,739.09/76,405.88
  6. Step 6: Final answer
    x = 57,659.91

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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.