Home / 108,447.89-162,699.87-63,507.20

Finding the Fourth Proportional to 108,447.89, 162,699.87 and 63,507.20

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Solution

The fourth proportional to 108,447.89, 162,699.87 and 63,507.20 is: 95,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,447.89 : 162,699.87 = 63,507.20 : x
  2. Step 2: Convert to fraction form
    108,447.89/162,699.87 = 63,507.20/x
  3. Step 3: Cross multiply
    108,447.89x = 162,699.87 × 63,507.20
  4. Step 4: Simplify right side
    108,447.89x = 10,332,612,370.56
  5. Step 5: Solve for x
    x = 10,332,612,370.56/108,447.89
  6. Step 6: Final answer
    x = 95,277.21

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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.