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Finding the Fourth Proportional to 82,934.72, 114,450.30 and 47,126.66

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Solution

The fourth proportional to 82,934.72, 114,450.30 and 47,126.66 is: 65,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,934.72 : 114,450.30 = 47,126.66 : x
  2. Step 2: Convert to fraction form
    82,934.72/114,450.30 = 47,126.66/x
  3. Step 3: Cross multiply
    82,934.72x = 114,450.30 × 47,126.66
  4. Step 4: Simplify right side
    82,934.72x = 5,393,660,375.00
  5. Step 5: Solve for x
    x = 5,393,660,375.00/82,934.72
  6. Step 6: Final answer
    x = 65,035.01

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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.