Home / 52,133.28-78,192-17,072.16

Finding the Fourth Proportional to 52,133.28, 78,192 and 17,072.16

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Solution

The fourth proportional to 52,133.28, 78,192 and 17,072.16 is: 25,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.28 : 78,192 = 17,072.16 : x
  2. Step 2: Convert to fraction form
    52,133.28/78,192 = 17,072.16/x
  3. Step 3: Cross multiply
    52,133.28x = 78,192 × 17,072.16
  4. Step 4: Simplify right side
    52,133.28x = 1,334,906,334.72
  5. Step 5: Solve for x
    x = 1,334,906,334.72/52,133.28
  6. Step 6: Final answer
    x = 25,605.65

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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.