Home / 84,396.08-126,621.82-34,518.12

Finding the Fourth Proportional to 84,396.08, 126,621.82 and 34,518.12

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Solution

The fourth proportional to 84,396.08, 126,621.82 and 34,518.12 is: 51,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,396.08 : 126,621.82 = 34,518.12 : x
  2. Step 2: Convert to fraction form
    84,396.08/126,621.82 = 34,518.12/x
  3. Step 3: Cross multiply
    84,396.08x = 126,621.82 × 34,518.12
  4. Step 4: Simplify right side
    84,396.08x = 4,370,747,177.38
  5. Step 5: Solve for x
    x = 4,370,747,177.38/84,396.08
  6. Step 6: Final answer
    x = 51,788.51

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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.