Home / 52,078.31-71,868.75-29,107.13

Finding the Fourth Proportional to 52,078.31, 71,868.75 and 29,107.13

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Solution

The fourth proportional to 52,078.31, 71,868.75 and 29,107.13 is: 40,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.31 : 71,868.75 = 29,107.13 : x
  2. Step 2: Convert to fraction form
    52,078.31/71,868.75 = 29,107.13/x
  3. Step 3: Cross multiply
    52,078.31x = 71,868.75 × 29,107.13
  4. Step 4: Simplify right side
    52,078.31x = 2,091,893,049.19
  5. Step 5: Solve for x
    x = 2,091,893,049.19/52,078.31
  6. Step 6: Final answer
    x = 40,168.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.