Home / 54,253.10-81,331.05-35,542.10

Finding the Fourth Proportional to 54,253.10, 81,331.05 and 35,542.10

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Solution

The fourth proportional to 54,253.10, 81,331.05 and 35,542.10 is: 53,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,253.10 : 81,331.05 = 35,542.10 : x
  2. Step 2: Convert to fraction form
    54,253.10/81,331.05 = 35,542.10/x
  3. Step 3: Cross multiply
    54,253.10x = 81,331.05 × 35,542.10
  4. Step 4: Simplify right side
    54,253.10x = 2,890,676,312.21
  5. Step 5: Solve for x
    x = 2,890,676,312.21/54,253.10
  6. Step 6: Final answer
    x = 53,281.31

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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.