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Finding the Fourth Proportional to 79,565.46, 119,322.66 and 26,245.46

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Solution

The fourth proportional to 79,565.46, 119,322.66 and 26,245.46 is: 39,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.46 : 119,322.66 = 26,245.46 : x
  2. Step 2: Convert to fraction form
    79,565.46/119,322.66 = 26,245.46/x
  3. Step 3: Cross multiply
    79,565.46x = 119,322.66 × 26,245.46
  4. Step 4: Simplify right side
    79,565.46x = 3,131,678,100.12
  5. Step 5: Solve for x
    x = 3,131,678,100.12/79,565.46
  6. Step 6: Final answer
    x = 39,359.77

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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.