Home / 81,625.41-112,634.41-45,819.36

Finding the Fourth Proportional to 81,625.41, 112,634.41 and 45,819.36

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Solution

The fourth proportional to 81,625.41, 112,634.41 and 45,819.36 is: 63,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,625.41 : 112,634.41 = 45,819.36 : x
  2. Step 2: Convert to fraction form
    81,625.41/112,634.41 = 45,819.36/x
  3. Step 3: Cross multiply
    81,625.41x = 112,634.41 × 45,819.36
  4. Step 4: Simplify right side
    81,625.41x = 5,160,836,580.18
  5. Step 5: Solve for x
    x = 5,160,836,580.18/81,625.41
  6. Step 6: Final answer
    x = 63,225.86

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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.