Home / 114,745.52-172,113.60-39,882.64

Finding the Fourth Proportional to 114,745.52, 172,113.60 and 39,882.64

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Solution

The fourth proportional to 114,745.52, 172,113.60 and 39,882.64 is: 59,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,745.52 : 172,113.60 = 39,882.64 : x
  2. Step 2: Convert to fraction form
    114,745.52/172,113.60 = 39,882.64/x
  3. Step 3: Cross multiply
    114,745.52x = 172,113.60 × 39,882.64
  4. Step 4: Simplify right side
    114,745.52x = 6,864,344,747.90
  5. Step 5: Solve for x
    x = 6,864,344,747.90/114,745.52
  6. Step 6: Final answer
    x = 59,822.33

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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.