Home / 88,374.20-132,782.72-83,059.78

Finding the Fourth Proportional to 88,374.20, 132,782.72 and 83,059.78

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Solution

The fourth proportional to 88,374.20, 132,782.72 and 83,059.78 is: 124,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,374.20 : 132,782.72 = 83,059.78 : x
  2. Step 2: Convert to fraction form
    88,374.20/132,782.72 = 83,059.78/x
  3. Step 3: Cross multiply
    88,374.20x = 132,782.72 × 83,059.78
  4. Step 4: Simplify right side
    88,374.20x = 11,028,903,511.00
  5. Step 5: Solve for x
    x = 11,028,903,511.00/88,374.20
  6. Step 6: Final answer
    x = 124,797.77

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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.