Home / 87,935.58-131,873.49-28,756.62

Finding the Fourth Proportional to 87,935.58, 131,873.49 and 28,756.62

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Solution

The fourth proportional to 87,935.58, 131,873.49 and 28,756.62 is: 43,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.58 : 131,873.49 = 28,756.62 : x
  2. Step 2: Convert to fraction form
    87,935.58/131,873.49 = 28,756.62/x
  3. Step 3: Cross multiply
    87,935.58x = 131,873.49 × 28,756.62
  4. Step 4: Simplify right side
    87,935.58x = 3,792,235,840.00
  5. Step 5: Solve for x
    x = 3,792,235,840.00/87,935.58
  6. Step 6: Final answer
    x = 43,125.16

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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.