Home / 54,467.40-81,701.10-34,687.20

Finding the Fourth Proportional to 54,467.40, 81,701.10 and 34,687.20

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Solution

The fourth proportional to 54,467.40, 81,701.10 and 34,687.20 is: 52,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,467.40 : 81,701.10 = 34,687.20 : x
  2. Step 2: Convert to fraction form
    54,467.40/81,701.10 = 34,687.20/x
  3. Step 3: Cross multiply
    54,467.40x = 81,701.10 × 34,687.20
  4. Step 4: Simplify right side
    54,467.40x = 2,833,982,395.92
  5. Step 5: Solve for x
    x = 2,833,982,395.92/54,467.40
  6. Step 6: Final answer
    x = 52,030.80

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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.