Home / 52,154.28-78,145.56-50,213.52

Finding the Fourth Proportional to 52,154.28, 78,145.56 and 50,213.52

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Solution

The fourth proportional to 52,154.28, 78,145.56 and 50,213.52 is: 75,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,154.28 : 78,145.56 = 50,213.52 : x
  2. Step 2: Convert to fraction form
    52,154.28/78,145.56 = 50,213.52/x
  3. Step 3: Cross multiply
    52,154.28x = 78,145.56 × 50,213.52
  4. Step 4: Simplify right side
    52,154.28x = 3,923,963,639.97
  5. Step 5: Solve for x
    x = 3,923,963,639.97/52,154.28
  6. Step 6: Final answer
    x = 75,237.62

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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.