Home / 45,691.97-68,371.76-37,720.35

Finding the Fourth Proportional to 45,691.97, 68,371.76 and 37,720.35

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Solution

The fourth proportional to 45,691.97, 68,371.76 and 37,720.35 is: 56,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,691.97 : 68,371.76 = 37,720.35 : x
  2. Step 2: Convert to fraction form
    45,691.97/68,371.76 = 37,720.35/x
  3. Step 3: Cross multiply
    45,691.97x = 68,371.76 × 37,720.35
  4. Step 4: Simplify right side
    45,691.97x = 2,579,006,811.62
  5. Step 5: Solve for x
    x = 2,579,006,811.62/45,691.97
  6. Step 6: Final answer
    x = 56,443.33

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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.