Home / 51,977.42-77,966.14-16,917.08

Finding the Fourth Proportional to 51,977.42, 77,966.14 and 16,917.08

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Solution

The fourth proportional to 51,977.42, 77,966.14 and 16,917.08 is: 25,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.42 : 77,966.14 = 16,917.08 : x
  2. Step 2: Convert to fraction form
    51,977.42/77,966.14 = 16,917.08/x
  3. Step 3: Cross multiply
    51,977.42x = 77,966.14 × 16,917.08
  4. Step 4: Simplify right side
    51,977.42x = 1,318,959,427.67
  5. Step 5: Solve for x
    x = 1,318,959,427.67/51,977.42
  6. Step 6: Final answer
    x = 25,375.62

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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.