Home / 73,538.81-110,286.30-26,780.75

Finding the Fourth Proportional to 73,538.81, 110,286.30 and 26,780.75

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Solution

The fourth proportional to 73,538.81, 110,286.30 and 26,780.75 is: 40,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,538.81 : 110,286.30 = 26,780.75 : x
  2. Step 2: Convert to fraction form
    73,538.81/110,286.30 = 26,780.75/x
  3. Step 3: Cross multiply
    73,538.81x = 110,286.30 × 26,780.75
  4. Step 4: Simplify right side
    73,538.81x = 2,953,549,828.73
  5. Step 5: Solve for x
    x = 2,953,549,828.73/73,538.81
  6. Step 6: Final answer
    x = 40,163.14

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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.