Home / 75,533.62-113,198.37-28,760.98

Finding the Fourth Proportional to 75,533.62, 113,198.37 and 28,760.98

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Solution

The fourth proportional to 75,533.62, 113,198.37 and 28,760.98 is: 43,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,533.62 : 113,198.37 = 28,760.98 : x
  2. Step 2: Convert to fraction form
    75,533.62/113,198.37 = 28,760.98/x
  3. Step 3: Cross multiply
    75,533.62x = 113,198.37 × 28,760.98
  4. Step 4: Simplify right side
    75,533.62x = 3,255,695,877.00
  5. Step 5: Solve for x
    x = 3,255,695,877.00/75,533.62
  6. Step 6: Final answer
    x = 43,102.61

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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.