Home / 87,597.73-131,415.08-28,428.82

Finding the Fourth Proportional to 87,597.73, 131,415.08 and 28,428.82

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Solution

The fourth proportional to 87,597.73, 131,415.08 and 28,428.82 is: 42,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,597.73 : 131,415.08 = 28,428.82 : x
  2. Step 2: Convert to fraction form
    87,597.73/131,415.08 = 28,428.82/x
  3. Step 3: Cross multiply
    87,597.73x = 131,415.08 × 28,428.82
  4. Step 4: Simplify right side
    87,597.73x = 3,735,976,163.00
  5. Step 5: Solve for x
    x = 3,735,976,163.00/87,597.73
  6. Step 6: Final answer
    x = 42,649.24

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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.