Home / 45,682.41-68,451.80-35,139.71

Finding the Fourth Proportional to 45,682.41, 68,451.80 and 35,139.71

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Solution

The fourth proportional to 45,682.41, 68,451.80 and 35,139.71 is: 52,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,682.41 : 68,451.80 = 35,139.71 : x
  2. Step 2: Convert to fraction form
    45,682.41/68,451.80 = 35,139.71/x
  3. Step 3: Cross multiply
    45,682.41x = 68,451.80 × 35,139.71
  4. Step 4: Simplify right side
    45,682.41x = 2,405,376,400.98
  5. Step 5: Solve for x
    x = 2,405,376,400.98/45,682.41
  6. Step 6: Final answer
    x = 52,654.32

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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.