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Finding the Fourth Proportional to 84,951.04, 117,239.04 and 47,234.56

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Solution

The fourth proportional to 84,951.04, 117,239.04 and 47,234.56 is: 65,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,951.04 : 117,239.04 = 47,234.56 : x
  2. Step 2: Convert to fraction form
    84,951.04/117,239.04 = 47,234.56/x
  3. Step 3: Cross multiply
    84,951.04x = 117,239.04 × 47,234.56
  4. Step 4: Simplify right side
    84,951.04x = 5,537,734,469.22
  5. Step 5: Solve for x
    x = 5,537,734,469.22/84,951.04
  6. Step 6: Final answer
    x = 65,187.37

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1.5x scale

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.