Home / 107,420.94-161,131.85-36,344.12

Finding the Fourth Proportional to 107,420.94, 161,131.85 and 36,344.12

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Solution

The fourth proportional to 107,420.94, 161,131.85 and 36,344.12 is: 54,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,420.94 : 161,131.85 = 36,344.12 : x
  2. Step 2: Convert to fraction form
    107,420.94/161,131.85 = 36,344.12/x
  3. Step 3: Cross multiply
    107,420.94x = 161,131.85 × 36,344.12
  4. Step 4: Simplify right side
    107,420.94x = 5,856,194,304.84
  5. Step 5: Solve for x
    x = 5,856,194,304.84/107,420.94
  6. Step 6: Final answer
    x = 54,516.32

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1.5x scale

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.