Home / 47,015.30-70,523.40-11,954.96

Finding the Fourth Proportional to 47,015.30, 70,523.40 and 11,954.96

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Solution

The fourth proportional to 47,015.30, 70,523.40 and 11,954.96 is: 17,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,015.30 : 70,523.40 = 11,954.96 : x
  2. Step 2: Convert to fraction form
    47,015.30/70,523.40 = 11,954.96/x
  3. Step 3: Cross multiply
    47,015.30x = 70,523.40 × 11,954.96
  4. Step 4: Simplify right side
    47,015.30x = 843,104,073.45
  5. Step 5: Solve for x
    x = 843,104,073.45/47,015.30
  6. Step 6: Final answer
    x = 17,932.55

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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.