Home / 54,267.72-81,425-29,302.80

Finding the Fourth Proportional to 54,267.72, 81,425 and 29,302.80

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Solution

The fourth proportional to 54,267.72, 81,425 and 29,302.80 is: 43,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,267.72 : 81,425 = 29,302.80 : x
  2. Step 2: Convert to fraction form
    54,267.72/81,425 = 29,302.80/x
  3. Step 3: Cross multiply
    54,267.72x = 81,425 × 29,302.80
  4. Step 4: Simplify right side
    54,267.72x = 2,385,980,490
  5. Step 5: Solve for x
    x = 2,385,980,490/54,267.72
  6. Step 6: Final answer
    x = 43,966.85

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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.