Home / 55,721.88-83,617.56-34,703.19

Finding the Fourth Proportional to 55,721.88, 83,617.56 and 34,703.19

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Solution

The fourth proportional to 55,721.88, 83,617.56 and 34,703.19 is: 52,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,721.88 : 83,617.56 = 34,703.19 : x
  2. Step 2: Convert to fraction form
    55,721.88/83,617.56 = 34,703.19/x
  3. Step 3: Cross multiply
    55,721.88x = 83,617.56 × 34,703.19
  4. Step 4: Simplify right side
    55,721.88x = 2,901,796,072.02
  5. Step 5: Solve for x
    x = 2,901,796,072.02/55,721.88
  6. Step 6: Final answer
    x = 52,076.42

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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.