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Finding the Fourth Proportional to 72,597.69, 100,160.37 and 40,759.83

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Solution

The fourth proportional to 72,597.69, 100,160.37 and 40,759.83 is: 56,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,597.69 : 100,160.37 = 40,759.83 : x
  2. Step 2: Convert to fraction form
    72,597.69/100,160.37 = 40,759.83/x
  3. Step 3: Cross multiply
    72,597.69x = 100,160.37 × 40,759.83
  4. Step 4: Simplify right side
    72,597.69x = 4,082,519,653.94
  5. Step 5: Solve for x
    x = 4,082,519,653.94/72,597.69
  6. Step 6: Final answer
    x = 56,234.84

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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.