Home / 108,065.22-161,986.98-41,487.42

Finding the Fourth Proportional to 108,065.22, 161,986.98 and 41,487.42

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Solution

The fourth proportional to 108,065.22, 161,986.98 and 41,487.42 is: 62,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,065.22 : 161,986.98 = 41,487.42 : x
  2. Step 2: Convert to fraction form
    108,065.22/161,986.98 = 41,487.42/x
  3. Step 3: Cross multiply
    108,065.22x = 161,986.98 × 41,487.42
  4. Step 4: Simplify right side
    108,065.22x = 6,720,421,873.79
  5. Step 5: Solve for x
    x = 6,720,421,873.79/108,065.22
  6. Step 6: Final answer
    x = 62,188.57

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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.