Finding the Fourth Proportional to 79,063.80, 118,595.70 and 26,467.80
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Solution
The fourth proportional to 79,063.80, 118,595.70 and 26,467.80 is: 39,701.70
Step by Step Solution
- Step 1: Write the proportion equation
79,063.80 : 118,595.70 = 26,467.80 : x - Step 2: Convert to fraction form
79,063.80/118,595.70 = 26,467.80/x - Step 3: Cross multiply
79,063.80x = 118,595.70 × 26,467.80 - Step 4: Simplify right side
79,063.80x = 3,138,967,268.46 - Step 5: Solve for x
x = 3,138,967,268.46/79,063.80 - Step 6: Final answer
x = 39,701.70
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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.