Home / 79,137.87-118,716.18-49,558.15

Finding the Fourth Proportional to 79,137.87, 118,716.18 and 49,558.15

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Solution

The fourth proportional to 79,137.87, 118,716.18 and 49,558.15 is: 74,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,137.87 : 118,716.18 = 49,558.15 : x
  2. Step 2: Convert to fraction form
    79,137.87/118,716.18 = 49,558.15/x
  3. Step 3: Cross multiply
    79,137.87x = 118,716.18 × 49,558.15
  4. Step 4: Simplify right side
    79,137.87x = 5,883,354,255.87
  5. Step 5: Solve for x
    x = 5,883,354,255.87/79,137.87
  6. Step 6: Final answer
    x = 74,343.10

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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.