Home / 108,563.40-162,861.30-38,437.20

Finding the Fourth Proportional to 108,563.40, 162,861.30 and 38,437.20

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Solution

The fourth proportional to 108,563.40, 162,861.30 and 38,437.20 is: 57,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,563.40 : 162,861.30 = 38,437.20 : x
  2. Step 2: Convert to fraction form
    108,563.40/162,861.30 = 38,437.20/x
  3. Step 3: Cross multiply
    108,563.40x = 162,861.30 × 38,437.20
  4. Step 4: Simplify right side
    108,563.40x = 6,259,932,360.36
  5. Step 5: Solve for x
    x = 6,259,932,360.36/108,563.40
  6. Step 6: Final answer
    x = 57,661.54

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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.