Home / 54,520.68-81,383.25-47,877.66

Finding the Fourth Proportional to 54,520.68, 81,383.25 and 47,877.66

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Solution

The fourth proportional to 54,520.68, 81,383.25 and 47,877.66 is: 71,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.68 : 81,383.25 = 47,877.66 : x
  2. Step 2: Convert to fraction form
    54,520.68/81,383.25 = 47,877.66/x
  3. Step 3: Cross multiply
    54,520.68x = 81,383.25 × 47,877.66
  4. Step 4: Simplify right side
    54,520.68x = 3,896,439,573.20
  5. Step 5: Solve for x
    x = 3,896,439,573.20/54,520.68
  6. Step 6: Final answer
    x = 71,467.19

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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.