Home / 114,870.19-172,285.84-31,744.75

Finding the Fourth Proportional to 114,870.19, 172,285.84 and 31,744.75

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Solution

The fourth proportional to 114,870.19, 172,285.84 and 31,744.75 is: 47,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,870.19 : 172,285.84 = 31,744.75 : x
  2. Step 2: Convert to fraction form
    114,870.19/172,285.84 = 31,744.75/x
  3. Step 3: Cross multiply
    114,870.19x = 172,285.84 × 31,744.75
  4. Step 4: Simplify right side
    114,870.19x = 5,469,170,919.34
  5. Step 5: Solve for x
    x = 5,469,170,919.34/114,870.19
  6. Step 6: Final answer
    x = 47,611.75

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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.