Home / 108,025.75-161,821.60-53,826.96

Finding the Fourth Proportional to 108,025.75, 161,821.60 and 53,826.96

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Solution

The fourth proportional to 108,025.75, 161,821.60 and 53,826.96 is: 80,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,025.75 : 161,821.60 = 53,826.96 : x
  2. Step 2: Convert to fraction form
    108,025.75/161,821.60 = 53,826.96/x
  3. Step 3: Cross multiply
    108,025.75x = 161,821.60 × 53,826.96
  4. Step 4: Simplify right side
    108,025.75x = 8,710,364,790.34
  5. Step 5: Solve for x
    x = 8,710,364,790.34/108,025.75
  6. Step 6: Final answer
    x = 80,632.30

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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.