Home / 89,734.72-123,824.16-52,020.80

Finding the Fourth Proportional to 89,734.72, 123,824.16 and 52,020.80

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Solution

The fourth proportional to 89,734.72, 123,824.16 and 52,020.80 is: 71,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,734.72 : 123,824.16 = 52,020.80 : x
  2. Step 2: Convert to fraction form
    89,734.72/123,824.16 = 52,020.80/x
  3. Step 3: Cross multiply
    89,734.72x = 123,824.16 × 52,020.80
  4. Step 4: Simplify right side
    89,734.72x = 6,441,431,862.53
  5. Step 5: Solve for x
    x = 6,441,431,862.53/89,734.72
  6. Step 6: Final answer
    x = 71,783.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.