Home / 56,324.25-84,155.40-54,361.80

Finding the Fourth Proportional to 56,324.25, 84,155.40 and 54,361.80

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Solution

The fourth proportional to 56,324.25, 84,155.40 and 54,361.80 is: 81,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,324.25 : 84,155.40 = 54,361.80 : x
  2. Step 2: Convert to fraction form
    56,324.25/84,155.40 = 54,361.80/x
  3. Step 3: Cross multiply
    56,324.25x = 84,155.40 × 54,361.80
  4. Step 4: Simplify right side
    56,324.25x = 4,574,839,023.72
  5. Step 5: Solve for x
    x = 4,574,839,023.72/56,324.25
  6. Step 6: Final answer
    x = 81,223.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.