Home / 53,257.50-79,844.13-26,589.78

Finding the Fourth Proportional to 53,257.50, 79,844.13 and 26,589.78

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Solution

The fourth proportional to 53,257.50, 79,844.13 and 26,589.78 is: 39,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,257.50 : 79,844.13 = 26,589.78 : x
  2. Step 2: Convert to fraction form
    53,257.50/79,844.13 = 26,589.78/x
  3. Step 3: Cross multiply
    53,257.50x = 79,844.13 × 26,589.78
  4. Step 4: Simplify right side
    53,257.50x = 2,123,037,850.99
  5. Step 5: Solve for x
    x = 2,123,037,850.99/53,257.50
  6. Step 6: Final answer
    x = 39,863.64

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1.5x scale

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.