Home / 81,917.19-113,045.45-46,107.18

Finding the Fourth Proportional to 81,917.19, 113,045.45 and 46,107.18

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Solution

The fourth proportional to 81,917.19, 113,045.45 and 46,107.18 is: 63,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,917.19 : 113,045.45 = 46,107.18 : x
  2. Step 2: Convert to fraction form
    81,917.19/113,045.45 = 46,107.18/x
  3. Step 3: Cross multiply
    81,917.19x = 113,045.45 × 46,107.18
  4. Step 4: Simplify right side
    81,917.19x = 5,212,206,680.80
  5. Step 5: Solve for x
    x = 5,212,206,680.80/81,917.19
  6. Step 6: Final answer
    x = 63,627.75

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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.