Home / 51,819.10-77,709.45-16,759.90

Finding the Fourth Proportional to 51,819.10, 77,709.45 and 16,759.90

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Solution

The fourth proportional to 51,819.10, 77,709.45 and 16,759.90 is: 25,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,819.10 : 77,709.45 = 16,759.90 : x
  2. Step 2: Convert to fraction form
    51,819.10/77,709.45 = 16,759.90/x
  3. Step 3: Cross multiply
    51,819.10x = 77,709.45 × 16,759.90
  4. Step 4: Simplify right side
    51,819.10x = 1,302,402,611.06
  5. Step 5: Solve for x
    x = 1,302,402,611.06/51,819.10
  6. Step 6: Final answer
    x = 25,133.64

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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.