Home / 52,119.33-78,178.86-36,606.21

Finding the Fourth Proportional to 52,119.33, 78,178.86 and 36,606.21

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Solution

The fourth proportional to 52,119.33, 78,178.86 and 36,606.21 is: 54,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,119.33 : 78,178.86 = 36,606.21 : x
  2. Step 2: Convert to fraction form
    52,119.33/78,178.86 = 36,606.21/x
  3. Step 3: Cross multiply
    52,119.33x = 78,178.86 × 36,606.21
  4. Step 4: Simplify right side
    52,119.33x = 2,861,831,766.72
  5. Step 5: Solve for x
    x = 2,861,831,766.72/52,119.33
  6. Step 6: Final answer
    x = 54,909.22

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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.