Home / 88,299.07-132,453.21-29,139.36

Finding the Fourth Proportional to 88,299.07, 132,453.21 and 29,139.36

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Solution

The fourth proportional to 88,299.07, 132,453.21 and 29,139.36 is: 43,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,299.07 : 132,453.21 = 29,139.36 : x
  2. Step 2: Convert to fraction form
    88,299.07/132,453.21 = 29,139.36/x
  3. Step 3: Cross multiply
    88,299.07x = 132,453.21 × 29,139.36
  4. Step 4: Simplify right side
    88,299.07x = 3,859,601,769.35
  5. Step 5: Solve for x
    x = 3,859,601,769.35/88,299.07
  6. Step 6: Final answer
    x = 43,710.56

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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.