Home / 108,286.77-162,430.16-52,835.25

Finding the Fourth Proportional to 108,286.77, 162,430.16 and 52,835.25

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Solution

The fourth proportional to 108,286.77, 162,430.16 and 52,835.25 is: 79,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,286.77 : 162,430.16 = 52,835.25 : x
  2. Step 2: Convert to fraction form
    108,286.77/162,430.16 = 52,835.25/x
  3. Step 3: Cross multiply
    108,286.77x = 162,430.16 × 52,835.25
  4. Step 4: Simplify right side
    108,286.77x = 8,582,037,846.96
  5. Step 5: Solve for x
    x = 8,582,037,846.96/108,286.77
  6. Step 6: Final answer
    x = 79,252.88

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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.