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Finding the Fourth Proportional to 75,855.66, 113,785.91 and 25,933.74

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Solution

The fourth proportional to 75,855.66, 113,785.91 and 25,933.74 is: 38,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,855.66 : 113,785.91 = 25,933.74 : x
  2. Step 2: Convert to fraction form
    75,855.66/113,785.91 = 25,933.74/x
  3. Step 3: Cross multiply
    75,855.66x = 113,785.91 × 25,933.74
  4. Step 4: Simplify right side
    75,855.66x = 2,950,894,205.60
  5. Step 5: Solve for x
    x = 2,950,894,205.60/75,855.66
  6. Step 6: Final answer
    x = 38,901.44

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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.