Home / 108,289.89-162,376.22-49,093.28

Finding the Fourth Proportional to 108,289.89, 162,376.22 and 49,093.28

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Solution

The fourth proportional to 108,289.89, 162,376.22 and 49,093.28 is: 73,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,289.89 : 162,376.22 = 49,093.28 : x
  2. Step 2: Convert to fraction form
    108,289.89/162,376.22 = 49,093.28/x
  3. Step 3: Cross multiply
    108,289.89x = 162,376.22 × 49,093.28
  4. Step 4: Simplify right side
    108,289.89x = 7,971,580,176.45
  5. Step 5: Solve for x
    x = 7,971,580,176.45/108,289.89
  6. Step 6: Final answer
    x = 73,613.34

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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.