Home / 45,083.87-67,649.38-18,449.62

Finding the Fourth Proportional to 45,083.87, 67,649.38 and 18,449.62

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Solution

The fourth proportional to 45,083.87, 67,649.38 and 18,449.62 is: 27,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,083.87 : 67,649.38 = 18,449.62 : x
  2. Step 2: Convert to fraction form
    45,083.87/67,649.38 = 18,449.62/x
  3. Step 3: Cross multiply
    45,083.87x = 67,649.38 × 18,449.62
  4. Step 4: Simplify right side
    45,083.87x = 1,248,105,519.52
  5. Step 5: Solve for x
    x = 1,248,105,519.52/45,083.87
  6. Step 6: Final answer
    x = 27,684.08

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1.5x scale

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.