Finding the Fourth Proportional to 67,007.06, 100,379.16 and 38,867.99
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Solution
The fourth proportional to 67,007.06, 100,379.16 and 38,867.99 is: 58,225.76
Step by Step Solution
- Step 1: Write the proportion equation
67,007.06 : 100,379.16 = 38,867.99 : x - Step 2: Convert to fraction form
67,007.06/100,379.16 = 38,867.99/x - Step 3: Cross multiply
67,007.06x = 100,379.16 × 38,867.99 - Step 4: Simplify right side
67,007.06x = 3,901,536,438.04 - Step 5: Solve for x
x = 3,901,536,438.04/67,007.06 - Step 6: Final answer
x = 58,225.76
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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.