Home / 79,180.35-109,262.97-45,187.89

Finding the Fourth Proportional to 79,180.35, 109,262.97 and 45,187.89

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Solution

The fourth proportional to 79,180.35, 109,262.97 and 45,187.89 is: 62,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180.35 : 109,262.97 = 45,187.89 : x
  2. Step 2: Convert to fraction form
    79,180.35/109,262.97 = 45,187.89/x
  3. Step 3: Cross multiply
    79,180.35x = 109,262.97 × 45,187.89
  4. Step 4: Simplify right side
    79,180.35x = 4,937,363,069.43
  5. Step 5: Solve for x
    x = 4,937,363,069.43/79,180.35
  6. Step 6: Final answer
    x = 62,355.91

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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.