Home / 51,969.30-77,962.14-16,900.76

Finding the Fourth Proportional to 51,969.30, 77,962.14 and 16,900.76

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Solution

The fourth proportional to 51,969.30, 77,962.14 and 16,900.76 is: 25,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,969.30 : 77,962.14 = 16,900.76 : x
  2. Step 2: Convert to fraction form
    51,969.30/77,962.14 = 16,900.76/x
  3. Step 3: Cross multiply
    51,969.30x = 77,962.14 × 16,900.76
  4. Step 4: Simplify right side
    51,969.30x = 1,317,619,027.42
  5. Step 5: Solve for x
    x = 1,317,619,027.42/51,969.30
  6. Step 6: Final answer
    x = 25,353.80

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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.