Finding the Fourth Proportional to 79,237.18, 118,812.84 and 34,811.92
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Solution
The fourth proportional to 79,237.18, 118,812.84 and 34,811.92 is: 52,199.02
Step by Step Solution
- Step 1: Write the proportion equation
79,237.18 : 118,812.84 = 34,811.92 : x - Step 2: Convert to fraction form
79,237.18/118,812.84 = 34,811.92/x - Step 3: Cross multiply
79,237.18x = 118,812.84 × 34,811.92 - Step 4: Simplify right side
79,237.18x = 4,136,103,081.05 - Step 5: Solve for x
x = 4,136,103,081.05/79,237.18 - Step 6: Final answer
x = 52,199.02
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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.