Home / 76,683.22-115,036.44-24,087.76

Finding the Fourth Proportional to 76,683.22, 115,036.44 and 24,087.76

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Solution

The fourth proportional to 76,683.22, 115,036.44 and 24,087.76 is: 36,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,683.22 : 115,036.44 = 24,087.76 : x
  2. Step 2: Convert to fraction form
    76,683.22/115,036.44 = 24,087.76/x
  3. Step 3: Cross multiply
    76,683.22x = 115,036.44 × 24,087.76
  4. Step 4: Simplify right side
    76,683.22x = 2,770,970,157.97
  5. Step 5: Solve for x
    x = 2,770,970,157.97/76,683.22
  6. Step 6: Final answer
    x = 36,135.29

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1.5x scale

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.