Home / 47,451.83-71,190.14-14,171.90

Finding the Fourth Proportional to 47,451.83, 71,190.14 and 14,171.90

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Solution

The fourth proportional to 47,451.83, 71,190.14 and 14,171.90 is: 21,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,451.83 : 71,190.14 = 14,171.90 : x
  2. Step 2: Convert to fraction form
    47,451.83/71,190.14 = 14,171.90/x
  3. Step 3: Cross multiply
    47,451.83x = 71,190.14 × 14,171.90
  4. Step 4: Simplify right side
    47,451.83x = 1,008,899,545.07
  5. Step 5: Solve for x
    x = 1,008,899,545.07/47,451.83
  6. Step 6: Final answer
    x = 21,261.55

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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.