Home / 87,806.36-131,696.18-28,641.94

Finding the Fourth Proportional to 87,806.36, 131,696.18 and 28,641.94

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Solution

The fourth proportional to 87,806.36, 131,696.18 and 28,641.94 is: 42,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,806.36 : 131,696.18 = 28,641.94 : x
  2. Step 2: Convert to fraction form
    87,806.36/131,696.18 = 28,641.94/x
  3. Step 3: Cross multiply
    87,806.36x = 131,696.18 × 28,641.94
  4. Step 4: Simplify right side
    87,806.36x = 3,772,033,720.75
  5. Step 5: Solve for x
    x = 3,772,033,720.75/87,806.36
  6. Step 6: Final answer
    x = 42,958.55

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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.