Home / 54,787.52-81,784.94-48,144.52

Finding the Fourth Proportional to 54,787.52, 81,784.94 and 48,144.52

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Solution

The fourth proportional to 54,787.52, 81,784.94 and 48,144.52 is: 71,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.52 : 81,784.94 = 48,144.52 : x
  2. Step 2: Convert to fraction form
    54,787.52/81,784.94 = 48,144.52/x
  3. Step 3: Cross multiply
    54,787.52x = 81,784.94 × 48,144.52
  4. Step 4: Simplify right side
    54,787.52x = 3,937,496,679.53
  5. Step 5: Solve for x
    x = 3,937,496,679.53/54,787.52
  6. Step 6: Final answer
    x = 71,868.50

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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.