Home / 107,709.80-161,632.06-41,155.60

Finding the Fourth Proportional to 107,709.80, 161,632.06 and 41,155.60

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Solution

The fourth proportional to 107,709.80, 161,632.06 and 41,155.60 is: 61,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,709.80 : 161,632.06 = 41,155.60 : x
  2. Step 2: Convert to fraction form
    107,709.80/161,632.06 = 41,155.60/x
  3. Step 3: Cross multiply
    107,709.80x = 161,632.06 × 41,155.60
  4. Step 4: Simplify right side
    107,709.80x = 6,652,064,408.54
  5. Step 5: Solve for x
    x = 6,652,064,408.54/107,709.80
  6. Step 6: Final answer
    x = 61,759.14

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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.