Home / 47,854.46-71,776.21-12,796.85

Finding the Fourth Proportional to 47,854.46, 71,776.21 and 12,796.85

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Solution

The fourth proportional to 47,854.46, 71,776.21 and 12,796.85 is: 19,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.46 : 71,776.21 = 12,796.85 : x
  2. Step 2: Convert to fraction form
    47,854.46/71,776.21 = 12,796.85/x
  3. Step 3: Cross multiply
    47,854.46x = 71,776.21 × 12,796.85
  4. Step 4: Simplify right side
    47,854.46x = 918,509,034.06
  5. Step 5: Solve for x
    x = 918,509,034.06/47,854.46
  6. Step 6: Final answer
    x = 19,193.80

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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.