Home / 81,941.85-122,810.70-29,293.47

Finding the Fourth Proportional to 81,941.85, 122,810.70 and 29,293.47

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Solution

The fourth proportional to 81,941.85, 122,810.70 and 29,293.47 is: 43,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941.85 : 122,810.70 = 29,293.47 : x
  2. Step 2: Convert to fraction form
    81,941.85/122,810.70 = 29,293.47/x
  3. Step 3: Cross multiply
    81,941.85x = 122,810.70 × 29,293.47
  4. Step 4: Simplify right side
    81,941.85x = 3,597,551,556.13
  5. Step 5: Solve for x
    x = 3,597,551,556.13/81,941.85
  6. Step 6: Final answer
    x = 43,903.71

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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.