Home / 76,201.45-114,328.11-28,830.15

Finding the Fourth Proportional to 76,201.45, 114,328.11 and 28,830.15

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Solution

The fourth proportional to 76,201.45, 114,328.11 and 28,830.15 is: 43,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,201.45 : 114,328.11 = 28,830.15 : x
  2. Step 2: Convert to fraction form
    76,201.45/114,328.11 = 28,830.15/x
  3. Step 3: Cross multiply
    76,201.45x = 114,328.11 × 28,830.15
  4. Step 4: Simplify right side
    76,201.45x = 3,296,096,560.52
  5. Step 5: Solve for x
    x = 3,296,096,560.52/76,201.45
  6. Step 6: Final answer
    x = 43,255.04

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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.