Home / 81,821.28-112,917.12-46,010.88

Finding the Fourth Proportional to 81,821.28, 112,917.12 and 46,010.88

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Solution

The fourth proportional to 81,821.28, 112,917.12 and 46,010.88 is: 63,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,821.28 : 112,917.12 = 46,010.88 : x
  2. Step 2: Convert to fraction form
    81,821.28/112,917.12 = 46,010.88/x
  3. Step 3: Cross multiply
    81,821.28x = 112,917.12 × 46,010.88
  4. Step 4: Simplify right side
    81,821.28x = 5,195,416,058.27
  5. Step 5: Solve for x
    x = 5,195,416,058.27/81,821.28
  6. Step 6: Final answer
    x = 63,497.13

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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.