Home / 53,306.84-79,963.14-13,864.04

Finding the Fourth Proportional to 53,306.84, 79,963.14 and 13,864.04

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Solution

The fourth proportional to 53,306.84, 79,963.14 and 13,864.04 is: 20,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.84 : 79,963.14 = 13,864.04 : x
  2. Step 2: Convert to fraction form
    53,306.84/79,963.14 = 13,864.04/x
  3. Step 3: Cross multiply
    53,306.84x = 79,963.14 × 13,864.04
  4. Step 4: Simplify right side
    53,306.84x = 1,108,612,171.49
  5. Step 5: Solve for x
    x = 1,108,612,171.49/53,306.84
  6. Step 6: Final answer
    x = 20,796.81

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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.