Home / 114,983.75-172,475.63-31,877.75

Finding the Fourth Proportional to 114,983.75, 172,475.63 and 31,877.75

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Solution

The fourth proportional to 114,983.75, 172,475.63 and 31,877.75 is: 47,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,983.75 : 172,475.63 = 31,877.75 : x
  2. Step 2: Convert to fraction form
    114,983.75/172,475.63 = 31,877.75/x
  3. Step 3: Cross multiply
    114,983.75x = 172,475.63 × 31,877.75
  4. Step 4: Simplify right side
    114,983.75x = 5,498,135,014.23
  5. Step 5: Solve for x
    x = 5,498,135,014.23/114,983.75
  6. Step 6: Final answer
    x = 47,816.63

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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.