Home / 81,440.86-121,994.99-41,914.94

Finding the Fourth Proportional to 81,440.86, 121,994.99 and 41,914.94

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Solution

The fourth proportional to 81,440.86, 121,994.99 and 41,914.94 is: 62,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,440.86 : 121,994.99 = 41,914.94 : x
  2. Step 2: Convert to fraction form
    81,440.86/121,994.99 = 41,914.94/x
  3. Step 3: Cross multiply
    81,440.86x = 121,994.99 × 41,914.94
  4. Step 4: Simplify right side
    81,440.86x = 5,113,412,366.89
  5. Step 5: Solve for x
    x = 5,113,412,366.89/81,440.86
  6. Step 6: Final answer
    x = 62,786.82

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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.