Home / 45,095.58-67,606.89-18,819.99

Finding the Fourth Proportional to 45,095.58, 67,606.89 and 18,819.99

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Solution

The fourth proportional to 45,095.58, 67,606.89 and 18,819.99 is: 28,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,095.58 : 67,606.89 = 18,819.99 : x
  2. Step 2: Convert to fraction form
    45,095.58/67,606.89 = 18,819.99/x
  3. Step 3: Cross multiply
    45,095.58x = 67,606.89 × 18,819.99
  4. Step 4: Simplify right side
    45,095.58x = 1,272,360,993.73
  5. Step 5: Solve for x
    x = 1,272,360,993.73/45,095.58
  6. Step 6: Final answer
    x = 28,214.76

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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.