Home / 47,287.21-70,933.25-12,227.17

Finding the Fourth Proportional to 47,287.21, 70,933.25 and 12,227.17

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Solution

The fourth proportional to 47,287.21, 70,933.25 and 12,227.17 is: 18,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.21 : 70,933.25 = 12,227.17 : x
  2. Step 2: Convert to fraction form
    47,287.21/70,933.25 = 12,227.17/x
  3. Step 3: Cross multiply
    47,287.21x = 70,933.25 × 12,227.17
  4. Step 4: Simplify right side
    47,287.21x = 867,312,906.40
  5. Step 5: Solve for x
    x = 867,312,906.40/47,287.21
  6. Step 6: Final answer
    x = 18,341.38

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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.