Home / 76,377.56-114,430.76-31,906.44

Finding the Fourth Proportional to 76,377.56, 114,430.76 and 31,906.44

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Solution

The fourth proportional to 76,377.56, 114,430.76 and 31,906.44 is: 47,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,377.56 : 114,430.76 = 31,906.44 : x
  2. Step 2: Convert to fraction form
    76,377.56/114,430.76 = 31,906.44/x
  3. Step 3: Cross multiply
    76,377.56x = 114,430.76 × 31,906.44
  4. Step 4: Simplify right side
    76,377.56x = 3,651,078,178.09
  5. Step 5: Solve for x
    x = 3,651,078,178.09/76,377.56
  6. Step 6: Final answer
    x = 47,803.02

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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.