Home / 47,672.74-71,520.67-14,390.82

Finding the Fourth Proportional to 47,672.74, 71,520.67 and 14,390.82

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Solution

The fourth proportional to 47,672.74, 71,520.67 and 14,390.82 is: 21,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,672.74 : 71,520.67 = 14,390.82 : x
  2. Step 2: Convert to fraction form
    47,672.74/71,520.67 = 14,390.82/x
  3. Step 3: Cross multiply
    47,672.74x = 71,520.67 × 14,390.82
  4. Step 4: Simplify right side
    47,672.74x = 1,029,240,838.04
  5. Step 5: Solve for x
    x = 1,029,240,838.04/47,672.74
  6. Step 6: Final answer
    x = 21,589.71

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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.