Home / 107,614.40-161,344.80-48,401.60

Finding the Fourth Proportional to 107,614.40, 161,344.80 and 48,401.60

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Solution

The fourth proportional to 107,614.40, 161,344.80 and 48,401.60 is: 72,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,614.40 : 161,344.80 = 48,401.60 : x
  2. Step 2: Convert to fraction form
    107,614.40/161,344.80 = 48,401.60/x
  3. Step 3: Cross multiply
    107,614.40x = 161,344.80 × 48,401.60
  4. Step 4: Simplify right side
    107,614.40x = 7,809,346,471.68
  5. Step 5: Solve for x
    x = 7,809,346,471.68/107,614.40
  6. Step 6: Final answer
    x = 72,567.86

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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.