Home / 45,298.78-67,926.82-16,815.99

Finding the Fourth Proportional to 45,298.78, 67,926.82 and 16,815.99

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Solution

The fourth proportional to 45,298.78, 67,926.82 and 16,815.99 is: 25,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,298.78 : 67,926.82 = 16,815.99 : x
  2. Step 2: Convert to fraction form
    45,298.78/67,926.82 = 16,815.99/x
  3. Step 3: Cross multiply
    45,298.78x = 67,926.82 × 16,815.99
  4. Step 4: Simplify right side
    45,298.78x = 1,142,256,725.85
  5. Step 5: Solve for x
    x = 1,142,256,725.85/45,298.78
  6. Step 6: Final answer
    x = 25,216.06

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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.