Home / 54,644.20-81,966.30-48,739.30

Finding the Fourth Proportional to 54,644.20, 81,966.30 and 48,739.30

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Solution

The fourth proportional to 54,644.20, 81,966.30 and 48,739.30 is: 73,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.20 : 81,966.30 = 48,739.30 : x
  2. Step 2: Convert to fraction form
    54,644.20/81,966.30 = 48,739.30/x
  3. Step 3: Cross multiply
    54,644.20x = 81,966.30 × 48,739.30
  4. Step 4: Simplify right side
    54,644.20x = 3,994,980,085.59
  5. Step 5: Solve for x
    x = 3,994,980,085.59/54,644.20
  6. Step 6: Final answer
    x = 73,108.95

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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.