Home / 54,821.20-82,175.10-29,808.40

Finding the Fourth Proportional to 54,821.20, 82,175.10 and 29,808.40

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Solution

The fourth proportional to 54,821.20, 82,175.10 and 29,808.40 is: 44,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,821.20 : 82,175.10 = 29,808.40 : x
  2. Step 2: Convert to fraction form
    54,821.20/82,175.10 = 29,808.40/x
  3. Step 3: Cross multiply
    54,821.20x = 82,175.10 × 29,808.40
  4. Step 4: Simplify right side
    54,821.20x = 2,449,508,250.84
  5. Step 5: Solve for x
    x = 2,449,508,250.84/54,821.20
  6. Step 6: Final answer
    x = 44,681.77

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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.