Home / 51,623.97-77,426.70-13,673.49

Finding the Fourth Proportional to 51,623.97, 77,426.70 and 13,673.49

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Solution

The fourth proportional to 51,623.97, 77,426.70 and 13,673.49 is: 20,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,623.97 : 77,426.70 = 13,673.49 : x
  2. Step 2: Convert to fraction form
    51,623.97/77,426.70 = 13,673.49/x
  3. Step 3: Cross multiply
    51,623.97x = 77,426.70 × 13,673.49
  4. Step 4: Simplify right side
    51,623.97x = 1,058,693,208.18
  5. Step 5: Solve for x
    x = 1,058,693,208.18/51,623.97
  6. Step 6: Final answer
    x = 20,507.78

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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.