Home / 87,695.51-131,544.88-28,530.95

Finding the Fourth Proportional to 87,695.51, 131,544.88 and 28,530.95

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Solution

The fourth proportional to 87,695.51, 131,544.88 and 28,530.95 is: 42,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,695.51 : 131,544.88 = 28,530.95 : x
  2. Step 2: Convert to fraction form
    87,695.51/131,544.88 = 28,530.95/x
  3. Step 3: Cross multiply
    87,695.51x = 131,544.88 × 28,530.95
  4. Step 4: Simplify right side
    87,695.51x = 3,753,099,664.98
  5. Step 5: Solve for x
    x = 3,753,099,664.98/87,695.51
  6. Step 6: Final answer
    x = 42,796.94

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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.