Home / 108,312.31-162,399.25-52,040.44

Finding the Fourth Proportional to 108,312.31, 162,399.25 and 52,040.44

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Solution

The fourth proportional to 108,312.31, 162,399.25 and 52,040.44 is: 78,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,312.31 : 162,399.25 = 52,040.44 : x
  2. Step 2: Convert to fraction form
    108,312.31/162,399.25 = 52,040.44/x
  3. Step 3: Cross multiply
    108,312.31x = 162,399.25 × 52,040.44
  4. Step 4: Simplify right side
    108,312.31x = 8,451,328,425.67
  5. Step 5: Solve for x
    x = 8,451,328,425.67/108,312.31
  6. Step 6: Final answer
    x = 78,027.40

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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.