Home / 51,686.90-77,481.14-16,601.96

Finding the Fourth Proportional to 51,686.90, 77,481.14 and 16,601.96

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Solution

The fourth proportional to 51,686.90, 77,481.14 and 16,601.96 is: 24,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686.90 : 77,481.14 = 16,601.96 : x
  2. Step 2: Convert to fraction form
    51,686.90/77,481.14 = 16,601.96/x
  3. Step 3: Cross multiply
    51,686.90x = 77,481.14 × 16,601.96
  4. Step 4: Simplify right side
    51,686.90x = 1,286,338,316.62
  5. Step 5: Solve for x
    x = 1,286,338,316.62/51,686.90
  6. Step 6: Final answer
    x = 24,887.13

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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.