Home / 54,331.20-81,496.80-35,304.30

Finding the Fourth Proportional to 54,331.20, 81,496.80 and 35,304.30

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Solution

The fourth proportional to 54,331.20, 81,496.80 and 35,304.30 is: 52,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,331.20 : 81,496.80 = 35,304.30 : x
  2. Step 2: Convert to fraction form
    54,331.20/81,496.80 = 35,304.30/x
  3. Step 3: Cross multiply
    54,331.20x = 81,496.80 × 35,304.30
  4. Step 4: Simplify right side
    54,331.20x = 2,877,187,476.24
  5. Step 5: Solve for x
    x = 2,877,187,476.24/54,331.20
  6. Step 6: Final answer
    x = 52,956.45

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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.