Home / 45,612.77-68,418.68-14,448.02

Finding the Fourth Proportional to 45,612.77, 68,418.68 and 14,448.02

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Solution

The fourth proportional to 45,612.77, 68,418.68 and 14,448.02 is: 21,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,612.77 : 68,418.68 = 14,448.02 : x
  2. Step 2: Convert to fraction form
    45,612.77/68,418.68 = 14,448.02/x
  3. Step 3: Cross multiply
    45,612.77x = 68,418.68 × 14,448.02
  4. Step 4: Simplify right side
    45,612.77x = 988,514,042.68
  5. Step 5: Solve for x
    x = 988,514,042.68/45,612.77
  6. Step 6: Final answer
    x = 21,671.87

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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.