Home / 54,743.40-82,017.90-51,244.20

Finding the Fourth Proportional to 54,743.40, 82,017.90 and 51,244.20

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Solution

The fourth proportional to 54,743.40, 82,017.90 and 51,244.20 is: 76,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.40 : 82,017.90 = 51,244.20 : x
  2. Step 2: Convert to fraction form
    54,743.40/82,017.90 = 51,244.20/x
  3. Step 3: Cross multiply
    54,743.40x = 82,017.90 × 51,244.20
  4. Step 4: Simplify right side
    54,743.40x = 4,202,941,671.18
  5. Step 5: Solve for x
    x = 4,202,941,671.18/54,743.40
  6. Step 6: Final answer
    x = 76,775.31

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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.