Home / 107,729.34-161,587.94-47,740.54

Finding the Fourth Proportional to 107,729.34, 161,587.94 and 47,740.54

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Solution

The fourth proportional to 107,729.34, 161,587.94 and 47,740.54 is: 71,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,729.34 : 161,587.94 = 47,740.54 : x
  2. Step 2: Convert to fraction form
    107,729.34/161,587.94 = 47,740.54/x
  3. Step 3: Cross multiply
    107,729.34x = 161,587.94 × 47,740.54
  4. Step 4: Simplify right side
    107,729.34x = 7,714,295,173.39
  5. Step 5: Solve for x
    x = 7,714,295,173.39/107,729.34
  6. Step 6: Final answer
    x = 71,608.12

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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.