Home / 47,790.35-71,640.72-16,178.28

Finding the Fourth Proportional to 47,790.35, 71,640.72 and 16,178.28

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Solution

The fourth proportional to 47,790.35, 71,640.72 and 16,178.28 is: 24,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,790.35 : 71,640.72 = 16,178.28 : x
  2. Step 2: Convert to fraction form
    47,790.35/71,640.72 = 16,178.28/x
  3. Step 3: Cross multiply
    47,790.35x = 71,640.72 × 16,178.28
  4. Step 4: Simplify right side
    47,790.35x = 1,159,023,627.56
  5. Step 5: Solve for x
    x = 1,159,023,627.56/47,790.35
  6. Step 6: Final answer
    x = 24,252.25

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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.