Home / 108,303.24-162,480.78-54,861.96

Finding the Fourth Proportional to 108,303.24, 162,480.78 and 54,861.96

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Solution

The fourth proportional to 108,303.24, 162,480.78 and 54,861.96 is: 82,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,303.24 : 162,480.78 = 54,861.96 : x
  2. Step 2: Convert to fraction form
    108,303.24/162,480.78 = 54,861.96/x
  3. Step 3: Cross multiply
    108,303.24x = 162,480.78 × 54,861.96
  4. Step 4: Simplify right side
    108,303.24x = 8,914,014,053.13
  5. Step 5: Solve for x
    x = 8,914,014,053.13/108,303.24
  6. Step 6: Final answer
    x = 82,306.07

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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.