Home / 80,727.18-111,373.43-50,501.03

Finding the Fourth Proportional to 80,727.18, 111,373.43 and 50,501.03

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Solution

The fourth proportional to 80,727.18, 111,373.43 and 50,501.03 is: 69,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,727.18 : 111,373.43 = 50,501.03 : x
  2. Step 2: Convert to fraction form
    80,727.18/111,373.43 = 50,501.03/x
  3. Step 3: Cross multiply
    80,727.18x = 111,373.43 × 50,501.03
  4. Step 4: Simplify right side
    80,727.18x = 5,624,472,120.26
  5. Step 5: Solve for x
    x = 5,624,472,120.26/80,727.18
  6. Step 6: Final answer
    x = 69,672.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.