Home / 76,684.08-115,040.64-29,934

Finding the Fourth Proportional to 76,684.08, 115,040.64 and 29,934

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Solution

The fourth proportional to 76,684.08, 115,040.64 and 29,934 is: 44,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,684.08 : 115,040.64 = 29,934 : x
  2. Step 2: Convert to fraction form
    76,684.08/115,040.64 = 29,934/x
  3. Step 3: Cross multiply
    76,684.08x = 115,040.64 × 29,934
  4. Step 4: Simplify right side
    76,684.08x = 3,443,626,517.76
  5. Step 5: Solve for x
    x = 3,443,626,517.76/76,684.08
  6. Step 6: Final answer
    x = 44,906.67

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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.