Home / 79,121.76-118,669.35-34,736.58

Finding the Fourth Proportional to 79,121.76, 118,669.35 and 34,736.58

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Solution

The fourth proportional to 79,121.76, 118,669.35 and 34,736.58 is: 52,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,121.76 : 118,669.35 = 34,736.58 : x
  2. Step 2: Convert to fraction form
    79,121.76/118,669.35 = 34,736.58/x
  3. Step 3: Cross multiply
    79,121.76x = 118,669.35 × 34,736.58
  4. Step 4: Simplify right side
    79,121.76x = 4,122,167,369.82
  5. Step 5: Solve for x
    x = 4,122,167,369.82/79,121.76
  6. Step 6: Final answer
    x = 52,099.04

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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.