Home / 50,871.72-70,188.62-40,083.14

Finding the Fourth Proportional to 50,871.72, 70,188.62 and 40,083.14

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Solution

The fourth proportional to 50,871.72, 70,188.62 and 40,083.14 is: 55,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,871.72 : 70,188.62 = 40,083.14 : x
  2. Step 2: Convert to fraction form
    50,871.72/70,188.62 = 40,083.14/x
  3. Step 3: Cross multiply
    50,871.72x = 70,188.62 × 40,083.14
  4. Step 4: Simplify right side
    50,871.72x = 2,813,380,206.60
  5. Step 5: Solve for x
    x = 2,813,380,206.60/50,871.72
  6. Step 6: Final answer
    x = 55,303.43

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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.