Home / 94,478.40-141,553.44-78,874.56

Finding the Fourth Proportional to 94,478.40, 141,553.44 and 78,874.56

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Solution

The fourth proportional to 94,478.40, 141,553.44 and 78,874.56 is: 118,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,478.40 : 141,553.44 = 78,874.56 : x
  2. Step 2: Convert to fraction form
    94,478.40/141,553.44 = 78,874.56/x
  3. Step 3: Cross multiply
    94,478.40x = 141,553.44 × 78,874.56
  4. Step 4: Simplify right side
    94,478.40x = 11,164,965,296.49
  5. Step 5: Solve for x
    x = 11,164,965,296.49/94,478.40
  6. Step 6: Final answer
    x = 118,174.79

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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.