Finding the Fourth Proportional to 79,489.08, 119,239.16 and 26,880.80
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Solution
The fourth proportional to 79,489.08, 119,239.16 and 26,880.80 is: 40,323.06
Step by Step Solution
- Step 1: Write the proportion equation
79,489.08 : 119,239.16 = 26,880.80 : x - Step 2: Convert to fraction form
79,489.08/119,239.16 = 26,880.80/x - Step 3: Cross multiply
79,489.08x = 119,239.16 × 26,880.80 - Step 4: Simplify right side
79,489.08x = 3,205,243,281.53 - Step 5: Solve for x
x = 3,205,243,281.53/79,489.08 - Step 6: Final answer
x = 40,323.06
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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.