Home / 81,938.72-113,086.22-46,135.73

Finding the Fourth Proportional to 81,938.72, 113,086.22 and 46,135.73

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Solution

The fourth proportional to 81,938.72, 113,086.22 and 46,135.73 is: 63,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938.72 : 113,086.22 = 46,135.73 : x
  2. Step 2: Convert to fraction form
    81,938.72/113,086.22 = 46,135.73/x
  3. Step 3: Cross multiply
    81,938.72x = 113,086.22 × 46,135.73
  4. Step 4: Simplify right side
    81,938.72x = 5,217,314,516.53
  5. Step 5: Solve for x
    x = 5,217,314,516.53/81,938.72
  6. Step 6: Final answer
    x = 63,673.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.