Home / 114,964.50-172,446.75-31,858.50

Finding the Fourth Proportional to 114,964.50, 172,446.75 and 31,858.50

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Solution

The fourth proportional to 114,964.50, 172,446.75 and 31,858.50 is: 47,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,964.50 : 172,446.75 = 31,858.50 : x
  2. Step 2: Convert to fraction form
    114,964.50/172,446.75 = 31,858.50/x
  3. Step 3: Cross multiply
    114,964.50x = 172,446.75 × 31,858.50
  4. Step 4: Simplify right side
    114,964.50x = 5,493,894,784.88
  5. Step 5: Solve for x
    x = 5,493,894,784.88/114,964.50
  6. Step 6: Final answer
    x = 47,787.75

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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.