Home / 87,870.28-131,863.74-46,346.44

Finding the Fourth Proportional to 87,870.28, 131,863.74 and 46,346.44

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Solution

The fourth proportional to 87,870.28, 131,863.74 and 46,346.44 is: 69,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,870.28 : 131,863.74 = 46,346.44 : x
  2. Step 2: Convert to fraction form
    87,870.28/131,863.74 = 46,346.44/x
  3. Step 3: Cross multiply
    87,870.28x = 131,863.74 × 46,346.44
  4. Step 4: Simplify right side
    87,870.28x = 6,111,414,914.09
  5. Step 5: Solve for x
    x = 6,111,414,914.09/87,870.28
  6. Step 6: Final answer
    x = 69,550.42

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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.