Finding the Fourth Proportional to 79,054.80, 118,623.06 and 34,712.70
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Solution
The fourth proportional to 79,054.80, 118,623.06 and 34,712.70 is: 52,086.99
Step by Step Solution
- Step 1: Write the proportion equation
79,054.80 : 118,623.06 = 34,712.70 : x - Step 2: Convert to fraction form
79,054.80/118,623.06 = 34,712.70/x - Step 3: Cross multiply
79,054.80x = 118,623.06 × 34,712.70 - Step 4: Simplify right side
79,054.80x = 4,117,726,694.86 - Step 5: Solve for x
x = 4,117,726,694.86/79,054.80 - Step 6: Final answer
x = 52,086.99
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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.