Home / 94,034.82-129,733.98-61,786.78

Finding the Fourth Proportional to 94,034.82, 129,733.98 and 61,786.78

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Solution

The fourth proportional to 94,034.82, 129,733.98 and 61,786.78 is: 85,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,034.82 : 129,733.98 = 61,786.78 : x
  2. Step 2: Convert to fraction form
    94,034.82/129,733.98 = 61,786.78/x
  3. Step 3: Cross multiply
    94,034.82x = 129,733.98 × 61,786.78
  4. Step 4: Simplify right side
    94,034.82x = 8,015,844,880.78
  5. Step 5: Solve for x
    x = 8,015,844,880.78/94,034.82
  6. Step 6: Final answer
    x = 85,243.37

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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.