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Finding the Fourth Proportional to 75,008.59, 103,511.59 and 41,474.59

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Solution

The fourth proportional to 75,008.59, 103,511.59 and 41,474.59 is: 57,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,008.59 : 103,511.59 = 41,474.59 : x
  2. Step 2: Convert to fraction form
    75,008.59/103,511.59 = 41,474.59/x
  3. Step 3: Cross multiply
    75,008.59x = 103,511.59 × 41,474.59
  4. Step 4: Simplify right side
    75,008.59x = 4,293,100,755.50
  5. Step 5: Solve for x
    x = 4,293,100,755.50/75,008.59
  6. Step 6: Final answer
    x = 57,234.79

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1.5x scale

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.