Home / 45,761.68-63,187.86-36,780.40

Finding the Fourth Proportional to 45,761.68, 63,187.86 and 36,780.40

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Solution

The fourth proportional to 45,761.68, 63,187.86 and 36,780.40 is: 50,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,761.68 : 63,187.86 = 36,780.40 : x
  2. Step 2: Convert to fraction form
    45,761.68/63,187.86 = 36,780.40/x
  3. Step 3: Cross multiply
    45,761.68x = 63,187.86 × 36,780.40
  4. Step 4: Simplify right side
    45,761.68x = 2,324,074,765.94
  5. Step 5: Solve for x
    x = 2,324,074,765.94/45,761.68
  6. Step 6: Final answer
    x = 50,786.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.