Home / 45,859.68-68,782.43-18,844.76

Finding the Fourth Proportional to 45,859.68, 68,782.43 and 18,844.76

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Solution

The fourth proportional to 45,859.68, 68,782.43 and 18,844.76 is: 28,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,859.68 : 68,782.43 = 18,844.76 : x
  2. Step 2: Convert to fraction form
    45,859.68/68,782.43 = 18,844.76/x
  3. Step 3: Cross multiply
    45,859.68x = 68,782.43 × 18,844.76
  4. Step 4: Simplify right side
    45,859.68x = 1,296,187,947.43
  5. Step 5: Solve for x
    x = 1,296,187,947.43/45,859.68
  6. Step 6: Final answer
    x = 28,264.22

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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.