Home / 87,955.48-131,944.16-28,775.24

Finding the Fourth Proportional to 87,955.48, 131,944.16 and 28,775.24

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Solution

The fourth proportional to 87,955.48, 131,944.16 and 28,775.24 is: 43,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,955.48 : 131,944.16 = 28,775.24 : x
  2. Step 2: Convert to fraction form
    87,955.48/131,944.16 = 28,775.24/x
  3. Step 3: Cross multiply
    87,955.48x = 131,944.16 × 28,775.24
  4. Step 4: Simplify right side
    87,955.48x = 3,796,724,870.60
  5. Step 5: Solve for x
    x = 3,796,724,870.60/87,955.48
  6. Step 6: Final answer
    x = 43,166.44

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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.