Home / 107,730.34-161,589.43-47,741.54

Finding the Fourth Proportional to 107,730.34, 161,589.43 and 47,741.54

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Solution

The fourth proportional to 107,730.34, 161,589.43 and 47,741.54 is: 71,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,730.34 : 161,589.43 = 47,741.54 : x
  2. Step 2: Convert to fraction form
    107,730.34/161,589.43 = 47,741.54/x
  3. Step 3: Cross multiply
    107,730.34x = 161,589.43 × 47,741.54
  4. Step 4: Simplify right side
    107,730.34x = 7,714,528,235.92
  5. Step 5: Solve for x
    x = 7,714,528,235.92/107,730.34
  6. Step 6: Final answer
    x = 71,609.62

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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.