Home / 109,826.20-164,520.60-57,265.30

Finding the Fourth Proportional to 109,826.20, 164,520.60 and 57,265.30

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Solution

The fourth proportional to 109,826.20, 164,520.60 and 57,265.30 is: 85,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,826.20 : 164,520.60 = 57,265.30 : x
  2. Step 2: Convert to fraction form
    109,826.20/164,520.60 = 57,265.30/x
  3. Step 3: Cross multiply
    109,826.20x = 164,520.60 × 57,265.30
  4. Step 4: Simplify right side
    109,826.20x = 9,421,321,515.18
  5. Step 5: Solve for x
    x = 9,421,321,515.18/109,826.20
  6. Step 6: Final answer
    x = 85,783.92

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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.