Home / 75,759.56-113,678.30-58,103.65

Finding the Fourth Proportional to 75,759.56, 113,678.30 and 58,103.65

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Solution

The fourth proportional to 75,759.56, 113,678.30 and 58,103.65 is: 87,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,759.56 : 113,678.30 = 58,103.65 : x
  2. Step 2: Convert to fraction form
    75,759.56/113,678.30 = 58,103.65/x
  3. Step 3: Cross multiply
    75,759.56x = 113,678.30 × 58,103.65
  4. Step 4: Simplify right side
    75,759.56x = 6,605,124,155.80
  5. Step 5: Solve for x
    x = 6,605,124,155.80/75,759.56
  6. Step 6: Final answer
    x = 87,185.36

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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.