Home / 86,283.44-129,333-61,584.56

Finding the Fourth Proportional to 86,283.44, 129,333 and 61,584.56

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Solution

The fourth proportional to 86,283.44, 129,333 and 61,584.56 is: 92,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,283.44 : 129,333 = 61,584.56 : x
  2. Step 2: Convert to fraction form
    86,283.44/129,333 = 61,584.56/x
  3. Step 3: Cross multiply
    86,283.44x = 129,333 × 61,584.56
  4. Step 4: Simplify right side
    86,283.44x = 7,964,915,898.48
  5. Step 5: Solve for x
    x = 7,964,915,898.48/86,283.44
  6. Step 6: Final answer
    x = 92,311.06

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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.